Home / 5,688.10-8,532.15-3,719.80

Finding the Fourth Proportional to 5,688.10, 8,532.15 and 3,719.80

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Solution

The fourth proportional to 5,688.10, 8,532.15 and 3,719.80 is: 5,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.10 : 8,532.15 = 3,719.80 : x
  2. Step 2: Convert to fraction form
    5,688.10/8,532.15 = 3,719.80/x
  3. Step 3: Cross multiply
    5,688.10x = 8,532.15 × 3,719.80
  4. Step 4: Simplify right side
    5,688.10x = 31,737,891.57
  5. Step 5: Solve for x
    x = 31,737,891.57/5,688.10
  6. Step 6: Final answer
    x = 5,579.70

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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.