Home / 5,141.18-7,711.98-2,020.92

Finding the Fourth Proportional to 5,141.18, 7,711.98 and 2,020.92

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Solution

The fourth proportional to 5,141.18, 7,711.98 and 2,020.92 is: 3,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.18 : 7,711.98 = 2,020.92 : x
  2. Step 2: Convert to fraction form
    5,141.18/7,711.98 = 2,020.92/x
  3. Step 3: Cross multiply
    5,141.18x = 7,711.98 × 2,020.92
  4. Step 4: Simplify right side
    5,141.18x = 15,585,294.62
  5. Step 5: Solve for x
    x = 15,585,294.62/5,141.18
  6. Step 6: Final answer
    x = 3,031.46

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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.