Home / 5,891.46-8,121.84-4,685.87

Finding the Fourth Proportional to 5,891.46, 8,121.84 and 4,685.87

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Solution

The fourth proportional to 5,891.46, 8,121.84 and 4,685.87 is: 6,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.46 : 8,121.84 = 4,685.87 : x
  2. Step 2: Convert to fraction form
    5,891.46/8,121.84 = 4,685.87/x
  3. Step 3: Cross multiply
    5,891.46x = 8,121.84 × 4,685.87
  4. Step 4: Simplify right side
    5,891.46x = 38,057,906.71
  5. Step 5: Solve for x
    x = 38,057,906.71/5,891.46
  6. Step 6: Final answer
    x = 6,459.85

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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.