Home / 8,375.28-12,567.24-4,675.20

Finding the Fourth Proportional to 8,375.28, 12,567.24 and 4,675.20

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Solution

The fourth proportional to 8,375.28, 12,567.24 and 4,675.20 is: 7,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.28 : 12,567.24 = 4,675.20 : x
  2. Step 2: Convert to fraction form
    8,375.28/12,567.24 = 4,675.20/x
  3. Step 3: Cross multiply
    8,375.28x = 12,567.24 × 4,675.20
  4. Step 4: Simplify right side
    8,375.28x = 58,754,360.45
  5. Step 5: Solve for x
    x = 58,754,360.45/8,375.28
  6. Step 6: Final answer
    x = 7,015.21

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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.