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Finding the Fourth Proportional to 4,468.11, 6,702.18 and 1,869.22

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Solution

The fourth proportional to 4,468.11, 6,702.18 and 1,869.22 is: 2,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,468.11 : 6,702.18 = 1,869.22 : x
  2. Step 2: Convert to fraction form
    4,468.11/6,702.18 = 1,869.22/x
  3. Step 3: Cross multiply
    4,468.11x = 6,702.18 × 1,869.22
  4. Step 4: Simplify right side
    4,468.11x = 12,527,848.90
  5. Step 5: Solve for x
    x = 12,527,848.90/4,468.11
  6. Step 6: Final answer
    x = 2,803.84

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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.