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Finding the Fourth Proportional to 7,590.92, 11,386.37 and 5,655.42

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Solution

The fourth proportional to 7,590.92, 11,386.37 and 5,655.42 is: 8,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.92 : 11,386.37 = 5,655.42 : x
  2. Step 2: Convert to fraction form
    7,590.92/11,386.37 = 5,655.42/x
  3. Step 3: Cross multiply
    7,590.92x = 11,386.37 × 5,655.42
  4. Step 4: Simplify right side
    7,590.92x = 64,394,718.76
  5. Step 5: Solve for x
    x = 64,394,718.76/7,590.92
  6. Step 6: Final answer
    x = 8,483.13

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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.