Home / 6,139.26-8,472.60-3,486.96

Finding the Fourth Proportional to 6,139.26, 8,472.60 and 3,486.96

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Solution

The fourth proportional to 6,139.26, 8,472.60 and 3,486.96 is: 4,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.26 : 8,472.60 = 3,486.96 : x
  2. Step 2: Convert to fraction form
    6,139.26/8,472.60 = 3,486.96/x
  3. Step 3: Cross multiply
    6,139.26x = 8,472.60 × 3,486.96
  4. Step 4: Simplify right side
    6,139.26x = 29,543,617.30
  5. Step 5: Solve for x
    x = 29,543,617.30/6,139.26
  6. Step 6: Final answer
    x = 4,812.24

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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.