Home / 4,517.17-6,774.51-2,178.70

Finding the Fourth Proportional to 4,517.17, 6,774.51 and 2,178.70

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Solution

The fourth proportional to 4,517.17, 6,774.51 and 2,178.70 is: 3,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.17 : 6,774.51 = 2,178.70 : x
  2. Step 2: Convert to fraction form
    4,517.17/6,774.51 = 2,178.70/x
  3. Step 3: Cross multiply
    4,517.17x = 6,774.51 × 2,178.70
  4. Step 4: Simplify right side
    4,517.17x = 14,759,624.94
  5. Step 5: Solve for x
    x = 14,759,624.94/4,517.17
  6. Step 6: Final answer
    x = 3,267.45

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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.