Home / 7,516.49-11,275.76-3,132.92

Finding the Fourth Proportional to 7,516.49, 11,275.76 and 3,132.92

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Solution

The fourth proportional to 7,516.49, 11,275.76 and 3,132.92 is: 4,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.49 : 11,275.76 = 3,132.92 : x
  2. Step 2: Convert to fraction form
    7,516.49/11,275.76 = 3,132.92/x
  3. Step 3: Cross multiply
    7,516.49x = 11,275.76 × 3,132.92
  4. Step 4: Simplify right side
    7,516.49x = 35,326,054.02
  5. Step 5: Solve for x
    x = 35,326,054.02/7,516.49
  6. Step 6: Final answer
    x = 4,699.81

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Double scale
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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.