Home / 7,539.17-11,308.49-1,992.53

Finding the Fourth Proportional to 7,539.17, 11,308.49 and 1,992.53

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Solution

The fourth proportional to 7,539.17, 11,308.49 and 1,992.53 is: 2,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.17 : 11,308.49 = 1,992.53 : x
  2. Step 2: Convert to fraction form
    7,539.17/11,308.49 = 1,992.53/x
  3. Step 3: Cross multiply
    7,539.17x = 11,308.49 × 1,992.53
  4. Step 4: Simplify right side
    7,539.17x = 22,532,439.07
  5. Step 5: Solve for x
    x = 22,532,439.07/7,539.17
  6. Step 6: Final answer
    x = 2,988.72

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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.