Home / 8,380.08-11,562.91-5,693.43

Finding the Fourth Proportional to 8,380.08, 11,562.91 and 5,693.43

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Solution

The fourth proportional to 8,380.08, 11,562.91 and 5,693.43 is: 7,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.08 : 11,562.91 = 5,693.43 : x
  2. Step 2: Convert to fraction form
    8,380.08/11,562.91 = 5,693.43/x
  3. Step 3: Cross multiply
    8,380.08x = 11,562.91 × 5,693.43
  4. Step 4: Simplify right side
    8,380.08x = 65,832,643.68
  5. Step 5: Solve for x
    x = 65,832,643.68/8,380.08
  6. Step 6: Final answer
    x = 7,855.85

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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.