Home / 9,290.20-12,807.82-6,632.99

Finding the Fourth Proportional to 9,290.20, 12,807.82 and 6,632.99

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Solution

The fourth proportional to 9,290.20, 12,807.82 and 6,632.99 is: 9,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.20 : 12,807.82 = 6,632.99 : x
  2. Step 2: Convert to fraction form
    9,290.20/12,807.82 = 6,632.99/x
  3. Step 3: Cross multiply
    9,290.20x = 12,807.82 × 6,632.99
  4. Step 4: Simplify right side
    9,290.20x = 84,954,141.98
  5. Step 5: Solve for x
    x = 84,954,141.98/9,290.20
  6. Step 6: Final answer
    x = 9,144.49

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.