Home / 5,158.77-7,732.61-3,379.15

Finding the Fourth Proportional to 5,158.77, 7,732.61 and 3,379.15

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Solution

The fourth proportional to 5,158.77, 7,732.61 and 3,379.15 is: 5,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.77 : 7,732.61 = 3,379.15 : x
  2. Step 2: Convert to fraction form
    5,158.77/7,732.61 = 3,379.15/x
  3. Step 3: Cross multiply
    5,158.77x = 7,732.61 × 3,379.15
  4. Step 4: Simplify right side
    5,158.77x = 26,129,638.20
  5. Step 5: Solve for x
    x = 26,129,638.20/5,158.77
  6. Step 6: Final answer
    x = 5,065.09

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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.