Home / 5,538.59-8,307.92-1,378.61

Finding the Fourth Proportional to 5,538.59, 8,307.92 and 1,378.61

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Solution

The fourth proportional to 5,538.59, 8,307.92 and 1,378.61 is: 2,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.59 : 8,307.92 = 1,378.61 : x
  2. Step 2: Convert to fraction form
    5,538.59/8,307.92 = 1,378.61/x
  3. Step 3: Cross multiply
    5,538.59x = 8,307.92 × 1,378.61
  4. Step 4: Simplify right side
    5,538.59x = 11,453,333.16
  5. Step 5: Solve for x
    x = 11,453,333.16/5,538.59
  6. Step 6: Final answer
    x = 2,067.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.