Home / 8,253.28-12,387.21-4,360.42

Finding the Fourth Proportional to 8,253.28, 12,387.21 and 4,360.42

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Solution

The fourth proportional to 8,253.28, 12,387.21 and 4,360.42 is: 6,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.28 : 12,387.21 = 4,360.42 : x
  2. Step 2: Convert to fraction form
    8,253.28/12,387.21 = 4,360.42/x
  3. Step 3: Cross multiply
    8,253.28x = 12,387.21 × 4,360.42
  4. Step 4: Simplify right side
    8,253.28x = 54,013,438.23
  5. Step 5: Solve for x
    x = 54,013,438.23/8,253.28
  6. Step 6: Final answer
    x = 6,544.48

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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.