Home / 8,997.20-12,425.81-6,849.82

Finding the Fourth Proportional to 8,997.20, 12,425.81 and 6,849.82

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Solution

The fourth proportional to 8,997.20, 12,425.81 and 6,849.82 is: 9,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.20 : 12,425.81 = 6,849.82 : x
  2. Step 2: Convert to fraction form
    8,997.20/12,425.81 = 6,849.82/x
  3. Step 3: Cross multiply
    8,997.20x = 12,425.81 × 6,849.82
  4. Step 4: Simplify right side
    8,997.20x = 85,114,561.85
  5. Step 5: Solve for x
    x = 85,114,561.85/8,997.20
  6. Step 6: Final answer
    x = 9,460.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.