Home / 8,917.40-13,384.20-5,997.76

Finding the Fourth Proportional to 8,917.40, 13,384.20 and 5,997.76

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Solution

The fourth proportional to 8,917.40, 13,384.20 and 5,997.76 is: 9,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.40 : 13,384.20 = 5,997.76 : x
  2. Step 2: Convert to fraction form
    8,917.40/13,384.20 = 5,997.76/x
  3. Step 3: Cross multiply
    8,917.40x = 13,384.20 × 5,997.76
  4. Step 4: Simplify right side
    8,917.40x = 80,275,219.39
  5. Step 5: Solve for x
    x = 80,275,219.39/8,917.40
  6. Step 6: Final answer
    x = 9,002.09

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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.