Home / 5,008.40-7,510.92-2,086.04

Finding the Fourth Proportional to 5,008.40, 7,510.92 and 2,086.04

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Solution

The fourth proportional to 5,008.40, 7,510.92 and 2,086.04 is: 3,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.40 : 7,510.92 = 2,086.04 : x
  2. Step 2: Convert to fraction form
    5,008.40/7,510.92 = 2,086.04/x
  3. Step 3: Cross multiply
    5,008.40x = 7,510.92 × 2,086.04
  4. Step 4: Simplify right side
    5,008.40x = 15,668,079.56
  5. Step 5: Solve for x
    x = 15,668,079.56/5,008.40
  6. Step 6: Final answer
    x = 3,128.36

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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.