Home / 5,718.38-8,577.57-3,119.90

Finding the Fourth Proportional to 5,718.38, 8,577.57 and 3,119.90

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Solution

The fourth proportional to 5,718.38, 8,577.57 and 3,119.90 is: 4,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.38 : 8,577.57 = 3,119.90 : x
  2. Step 2: Convert to fraction form
    5,718.38/8,577.57 = 3,119.90/x
  3. Step 3: Cross multiply
    5,718.38x = 8,577.57 × 3,119.90
  4. Step 4: Simplify right side
    5,718.38x = 26,761,160.64
  5. Step 5: Solve for x
    x = 26,761,160.64/5,718.38
  6. Step 6: Final answer
    x = 4,679.85

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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.