Home / 4,139.60-6,209.40-1,673.15

Finding the Fourth Proportional to 4,139.60, 6,209.40 and 1,673.15

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Solution

The fourth proportional to 4,139.60, 6,209.40 and 1,673.15 is: 2,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.60 : 6,209.40 = 1,673.15 : x
  2. Step 2: Convert to fraction form
    4,139.60/6,209.40 = 1,673.15/x
  3. Step 3: Cross multiply
    4,139.60x = 6,209.40 × 1,673.15
  4. Step 4: Simplify right side
    4,139.60x = 10,389,257.61
  5. Step 5: Solve for x
    x = 10,389,257.61/4,139.60
  6. Step 6: Final answer
    x = 2,509.73

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Similar ratio
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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.