Home / 7,501.78-11,252.67-1,955.11

Finding the Fourth Proportional to 7,501.78, 11,252.67 and 1,955.11

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Solution

The fourth proportional to 7,501.78, 11,252.67 and 1,955.11 is: 2,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.78 : 11,252.67 = 1,955.11 : x
  2. Step 2: Convert to fraction form
    7,501.78/11,252.67 = 1,955.11/x
  3. Step 3: Cross multiply
    7,501.78x = 11,252.67 × 1,955.11
  4. Step 4: Simplify right side
    7,501.78x = 22,000,141.60
  5. Step 5: Solve for x
    x = 22,000,141.60/7,501.78
  6. Step 6: Final answer
    x = 2,932.66

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