Home / 5,538.11-8,307.61-1,642.50

Finding the Fourth Proportional to 5,538.11, 8,307.61 and 1,642.50

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Solution

The fourth proportional to 5,538.11, 8,307.61 and 1,642.50 is: 2,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.11 : 8,307.61 = 1,642.50 : x
  2. Step 2: Convert to fraction form
    5,538.11/8,307.61 = 1,642.50/x
  3. Step 3: Cross multiply
    5,538.11x = 8,307.61 × 1,642.50
  4. Step 4: Simplify right side
    5,538.11x = 13,645,245.32
  5. Step 5: Solve for x
    x = 13,645,245.32/5,538.11
  6. Step 6: Final answer
    x = 2,463.88

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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.