Home / 5,679.84-8,517.90-2,392.32

Finding the Fourth Proportional to 5,679.84, 8,517.90 and 2,392.32

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Solution

The fourth proportional to 5,679.84, 8,517.90 and 2,392.32 is: 3,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.84 : 8,517.90 = 2,392.32 : x
  2. Step 2: Convert to fraction form
    5,679.84/8,517.90 = 2,392.32/x
  3. Step 3: Cross multiply
    5,679.84x = 8,517.90 × 2,392.32
  4. Step 4: Simplify right side
    5,679.84x = 20,377,542.53
  5. Step 5: Solve for x
    x = 20,377,542.53/5,679.84
  6. Step 6: Final answer
    x = 3,587.70

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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.