Home / 5,612.68-8,419.05-2,491.84

Finding the Fourth Proportional to 5,612.68, 8,419.05 and 2,491.84

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Solution

The fourth proportional to 5,612.68, 8,419.05 and 2,491.84 is: 3,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.68 : 8,419.05 = 2,491.84 : x
  2. Step 2: Convert to fraction form
    5,612.68/8,419.05 = 2,491.84/x
  3. Step 3: Cross multiply
    5,612.68x = 8,419.05 × 2,491.84
  4. Step 4: Simplify right side
    5,612.68x = 20,978,925.55
  5. Step 5: Solve for x
    x = 20,978,925.55/5,612.68
  6. Step 6: Final answer
    x = 3,737.78

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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.