Home / 8,501.20-12,747.40-2,656.24

Finding the Fourth Proportional to 8,501.20, 12,747.40 and 2,656.24

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Solution

The fourth proportional to 8,501.20, 12,747.40 and 2,656.24 is: 3,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.20 : 12,747.40 = 2,656.24 : x
  2. Step 2: Convert to fraction form
    8,501.20/12,747.40 = 2,656.24/x
  3. Step 3: Cross multiply
    8,501.20x = 12,747.40 × 2,656.24
  4. Step 4: Simplify right side
    8,501.20x = 33,860,153.78
  5. Step 5: Solve for x
    x = 33,860,153.78/8,501.20
  6. Step 6: Final answer
    x = 3,982.99

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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.