Home / 6,317.28-9,475.98-4,139.85

Finding the Fourth Proportional to 6,317.28, 9,475.98 and 4,139.85

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Solution

The fourth proportional to 6,317.28, 9,475.98 and 4,139.85 is: 6,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.28 : 9,475.98 = 4,139.85 : x
  2. Step 2: Convert to fraction form
    6,317.28/9,475.98 = 4,139.85/x
  3. Step 3: Cross multiply
    6,317.28x = 9,475.98 × 4,139.85
  4. Step 4: Simplify right side
    6,317.28x = 39,229,135.80
  5. Step 5: Solve for x
    x = 39,229,135.80/6,317.28
  6. Step 6: Final answer
    x = 6,209.81

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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.