Home / 8,667.20-13,000.56-2,427.63

Finding the Fourth Proportional to 8,667.20, 13,000.56 and 2,427.63

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Solution

The fourth proportional to 8,667.20, 13,000.56 and 2,427.63 is: 3,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.20 : 13,000.56 = 2,427.63 : x
  2. Step 2: Convert to fraction form
    8,667.20/13,000.56 = 2,427.63/x
  3. Step 3: Cross multiply
    8,667.20x = 13,000.56 × 2,427.63
  4. Step 4: Simplify right side
    8,667.20x = 31,560,549.47
  5. Step 5: Solve for x
    x = 31,560,549.47/8,667.20
  6. Step 6: Final answer
    x = 3,641.38

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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.