Home / 8,499.24-12,748.86-2,655.90

Finding the Fourth Proportional to 8,499.24, 12,748.86 and 2,655.90

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Solution

The fourth proportional to 8,499.24, 12,748.86 and 2,655.90 is: 3,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.24 : 12,748.86 = 2,655.90 : x
  2. Step 2: Convert to fraction form
    8,499.24/12,748.86 = 2,655.90/x
  3. Step 3: Cross multiply
    8,499.24x = 12,748.86 × 2,655.90
  4. Step 4: Simplify right side
    8,499.24x = 33,859,697.27
  5. Step 5: Solve for x
    x = 33,859,697.27/8,499.24
  6. Step 6: Final answer
    x = 3,983.85

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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.