Home / 8,357.13-11,532.84-4,528.78

Finding the Fourth Proportional to 8,357.13, 11,532.84 and 4,528.78

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Solution

The fourth proportional to 8,357.13, 11,532.84 and 4,528.78 is: 6,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.13 : 11,532.84 = 4,528.78 : x
  2. Step 2: Convert to fraction form
    8,357.13/11,532.84 = 4,528.78/x
  3. Step 3: Cross multiply
    8,357.13x = 11,532.84 × 4,528.78
  4. Step 4: Simplify right side
    8,357.13x = 52,229,666.30
  5. Step 5: Solve for x
    x = 52,229,666.30/8,357.13
  6. Step 6: Final answer
    x = 6,249.71

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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.