Home / 5,633.61-7,774.18-3,115.95

Finding the Fourth Proportional to 5,633.61, 7,774.18 and 3,115.95

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Solution

The fourth proportional to 5,633.61, 7,774.18 and 3,115.95 is: 4,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.61 : 7,774.18 = 3,115.95 : x
  2. Step 2: Convert to fraction form
    5,633.61/7,774.18 = 3,115.95/x
  3. Step 3: Cross multiply
    5,633.61x = 7,774.18 × 3,115.95
  4. Step 4: Simplify right side
    5,633.61x = 24,223,956.17
  5. Step 5: Solve for x
    x = 24,223,956.17/5,633.61
  6. Step 6: Final answer
    x = 4,299.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.