Home / 5,162.40-7,740.12-2,042.76

Finding the Fourth Proportional to 5,162.40, 7,740.12 and 2,042.76

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Solution

The fourth proportional to 5,162.40, 7,740.12 and 2,042.76 is: 3,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.40 : 7,740.12 = 2,042.76 : x
  2. Step 2: Convert to fraction form
    5,162.40/7,740.12 = 2,042.76/x
  3. Step 3: Cross multiply
    5,162.40x = 7,740.12 × 2,042.76
  4. Step 4: Simplify right side
    5,162.40x = 15,811,207.53
  5. Step 5: Solve for x
    x = 15,811,207.53/5,162.40
  6. Step 6: Final answer
    x = 3,062.76

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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.