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Finding the Fourth Proportional to 7,551.91, 11,276.97 and 6,167.95

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Solution

The fourth proportional to 7,551.91, 11,276.97 and 6,167.95 is: 9,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.91 : 11,276.97 = 6,167.95 : x
  2. Step 2: Convert to fraction form
    7,551.91/11,276.97 = 6,167.95/x
  3. Step 3: Cross multiply
    7,551.91x = 11,276.97 × 6,167.95
  4. Step 4: Simplify right side
    7,551.91x = 69,555,770.48
  5. Step 5: Solve for x
    x = 69,555,770.48/7,551.91
  6. Step 6: Final answer
    x = 9,210.36

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.