Home / 7,411.52-11,117.27-3,513.80

Finding the Fourth Proportional to 7,411.52, 11,117.27 and 3,513.80

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Solution

The fourth proportional to 7,411.52, 11,117.27 and 3,513.80 is: 5,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.52 : 11,117.27 = 3,513.80 : x
  2. Step 2: Convert to fraction form
    7,411.52/11,117.27 = 3,513.80/x
  3. Step 3: Cross multiply
    7,411.52x = 11,117.27 × 3,513.80
  4. Step 4: Simplify right side
    7,411.52x = 39,063,816.52
  5. Step 5: Solve for x
    x = 39,063,816.52/7,411.52
  6. Step 6: Final answer
    x = 5,270.69

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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.