Home / 8,997.14-12,415.76-4,908.79

Finding the Fourth Proportional to 8,997.14, 12,415.76 and 4,908.79

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Solution

The fourth proportional to 8,997.14, 12,415.76 and 4,908.79 is: 6,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.14 : 12,415.76 = 4,908.79 : x
  2. Step 2: Convert to fraction form
    8,997.14/12,415.76 = 4,908.79/x
  3. Step 3: Cross multiply
    8,997.14x = 12,415.76 × 4,908.79
  4. Step 4: Simplify right side
    8,997.14x = 60,946,358.53
  5. Step 5: Solve for x
    x = 60,946,358.53/8,997.14
  6. Step 6: Final answer
    x = 6,773.97

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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.