Home / 8,053.59-11,105.60-5,217.78

Finding the Fourth Proportional to 8,053.59, 11,105.60 and 5,217.78

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Solution

The fourth proportional to 8,053.59, 11,105.60 and 5,217.78 is: 7,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.59 : 11,105.60 = 5,217.78 : x
  2. Step 2: Convert to fraction form
    8,053.59/11,105.60 = 5,217.78/x
  3. Step 3: Cross multiply
    8,053.59x = 11,105.60 × 5,217.78
  4. Step 4: Simplify right side
    8,053.59x = 57,946,551.48
  5. Step 5: Solve for x
    x = 57,946,551.48/8,053.59
  6. Step 6: Final answer
    x = 7,195.12

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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.