Home / 5,162.60-7,117.50-4,103.88

Finding the Fourth Proportional to 5,162.60, 7,117.50 and 4,103.88

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Solution

The fourth proportional to 5,162.60, 7,117.50 and 4,103.88 is: 5,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.60 : 7,117.50 = 4,103.88 : x
  2. Step 2: Convert to fraction form
    5,162.60/7,117.50 = 4,103.88/x
  3. Step 3: Cross multiply
    5,162.60x = 7,117.50 × 4,103.88
  4. Step 4: Simplify right side
    5,162.60x = 29,209,365.90
  5. Step 5: Solve for x
    x = 29,209,365.90/5,162.60
  6. Step 6: Final answer
    x = 5,657.88

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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.