Home / 8,923.35-13,377.48-5,629.20

Finding the Fourth Proportional to 8,923.35, 13,377.48 and 5,629.20

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Solution

The fourth proportional to 8,923.35, 13,377.48 and 5,629.20 is: 8,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.35 : 13,377.48 = 5,629.20 : x
  2. Step 2: Convert to fraction form
    8,923.35/13,377.48 = 5,629.20/x
  3. Step 3: Cross multiply
    8,923.35x = 13,377.48 × 5,629.20
  4. Step 4: Simplify right side
    8,923.35x = 75,304,510.42
  5. Step 5: Solve for x
    x = 75,304,510.42/8,923.35
  6. Step 6: Final answer
    x = 8,439.04

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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.