Home / 6,917.60-10,381.68-5,073.60

Finding the Fourth Proportional to 6,917.60, 10,381.68 and 5,073.60

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Solution

The fourth proportional to 6,917.60, 10,381.68 and 5,073.60 is: 7,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.60 : 10,381.68 = 5,073.60 : x
  2. Step 2: Convert to fraction form
    6,917.60/10,381.68 = 5,073.60/x
  3. Step 3: Cross multiply
    6,917.60x = 10,381.68 × 5,073.60
  4. Step 4: Simplify right side
    6,917.60x = 52,672,491.65
  5. Step 5: Solve for x
    x = 52,672,491.65/6,917.60
  6. Step 6: Final answer
    x = 7,614.27

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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.