Home / 6,139.04-8,470.94-3,449.75

Finding the Fourth Proportional to 6,139.04, 8,470.94 and 3,449.75

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Solution

The fourth proportional to 6,139.04, 8,470.94 and 3,449.75 is: 4,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.04 : 8,470.94 = 3,449.75 : x
  2. Step 2: Convert to fraction form
    6,139.04/8,470.94 = 3,449.75/x
  3. Step 3: Cross multiply
    6,139.04x = 8,470.94 × 3,449.75
  4. Step 4: Simplify right side
    6,139.04x = 29,222,565.66
  5. Step 5: Solve for x
    x = 29,222,565.66/6,139.04
  6. Step 6: Final answer
    x = 4,760.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.