Home / 6,139.55-8,473.26-3,486.90

Finding the Fourth Proportional to 6,139.55, 8,473.26 and 3,486.90

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Solution

The fourth proportional to 6,139.55, 8,473.26 and 3,486.90 is: 4,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.55 : 8,473.26 = 3,486.90 : x
  2. Step 2: Convert to fraction form
    6,139.55/8,473.26 = 3,486.90/x
  3. Step 3: Cross multiply
    6,139.55x = 8,473.26 × 3,486.90
  4. Step 4: Simplify right side
    6,139.55x = 29,545,387.87
  5. Step 5: Solve for x
    x = 29,545,387.87/6,139.55
  6. Step 6: Final answer
    x = 4,812.31

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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.