Home / 5,320.70-7,981.05-4,397.30

Finding the Fourth Proportional to 5,320.70, 7,981.05 and 4,397.30

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Solution

The fourth proportional to 5,320.70, 7,981.05 and 4,397.30 is: 6,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.70 : 7,981.05 = 4,397.30 : x
  2. Step 2: Convert to fraction form
    5,320.70/7,981.05 = 4,397.30/x
  3. Step 3: Cross multiply
    5,320.70x = 7,981.05 × 4,397.30
  4. Step 4: Simplify right side
    5,320.70x = 35,095,071.17
  5. Step 5: Solve for x
    x = 35,095,071.17/5,320.70
  6. Step 6: Final answer
    x = 6,595.95

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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.