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Finding the Fourth Proportional to 8,561.10, 12,833.55 and 5,053.80

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Solution

The fourth proportional to 8,561.10, 12,833.55 and 5,053.80 is: 7,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.10 : 12,833.55 = 5,053.80 : x
  2. Step 2: Convert to fraction form
    8,561.10/12,833.55 = 5,053.80/x
  3. Step 3: Cross multiply
    8,561.10x = 12,833.55 × 5,053.80
  4. Step 4: Simplify right side
    8,561.10x = 64,858,194.99
  5. Step 5: Solve for x
    x = 64,858,194.99/8,561.10
  6. Step 6: Final answer
    x = 7,575.92

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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.