Home / 7,528.06-10,389.11-4,543.85

Finding the Fourth Proportional to 7,528.06, 10,389.11 and 4,543.85

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Solution

The fourth proportional to 7,528.06, 10,389.11 and 4,543.85 is: 6,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.06 : 10,389.11 = 4,543.85 : x
  2. Step 2: Convert to fraction form
    7,528.06/10,389.11 = 4,543.85/x
  3. Step 3: Cross multiply
    7,528.06x = 10,389.11 × 4,543.85
  4. Step 4: Simplify right side
    7,528.06x = 47,206,560.73
  5. Step 5: Solve for x
    x = 47,206,560.73/7,528.06
  6. Step 6: Final answer
    x = 6,270.75

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Half scale
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Double scale
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Similar ratio
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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.