Home / 5,711.43-7,886.61-4,772.23

Finding the Fourth Proportional to 5,711.43, 7,886.61 and 4,772.23

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Solution

The fourth proportional to 5,711.43, 7,886.61 and 4,772.23 is: 6,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.43 : 7,886.61 = 4,772.23 : x
  2. Step 2: Convert to fraction form
    5,711.43/7,886.61 = 4,772.23/x
  3. Step 3: Cross multiply
    5,711.43x = 7,886.61 × 4,772.23
  4. Step 4: Simplify right side
    5,711.43x = 37,636,726.70
  5. Step 5: Solve for x
    x = 37,636,726.70/5,711.43
  6. Step 6: Final answer
    x = 6,589.72

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.