Home / 5,621.43-8,432.13-2,500.71

Finding the Fourth Proportional to 5,621.43, 8,432.13 and 2,500.71

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Solution

The fourth proportional to 5,621.43, 8,432.13 and 2,500.71 is: 3,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.43 : 8,432.13 = 2,500.71 : x
  2. Step 2: Convert to fraction form
    5,621.43/8,432.13 = 2,500.71/x
  3. Step 3: Cross multiply
    5,621.43x = 8,432.13 × 2,500.71
  4. Step 4: Simplify right side
    5,621.43x = 21,086,311.81
  5. Step 5: Solve for x
    x = 21,086,311.81/5,621.43
  6. Step 6: Final answer
    x = 3,751.06

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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.