Home / 7,580.72-11,371.08-2,387.12

Finding the Fourth Proportional to 7,580.72, 11,371.08 and 2,387.12

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Solution

The fourth proportional to 7,580.72, 11,371.08 and 2,387.12 is: 3,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.72 : 11,371.08 = 2,387.12 : x
  2. Step 2: Convert to fraction form
    7,580.72/11,371.08 = 2,387.12/x
  3. Step 3: Cross multiply
    7,580.72x = 11,371.08 × 2,387.12
  4. Step 4: Simplify right side
    7,580.72x = 27,144,132.49
  5. Step 5: Solve for x
    x = 27,144,132.49/7,580.72
  6. Step 6: Final answer
    x = 3,580.68

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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.