Home / 5,402.21-8,098.85-1,702.13

Finding the Fourth Proportional to 5,402.21, 8,098.85 and 1,702.13

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Solution

The fourth proportional to 5,402.21, 8,098.85 and 1,702.13 is: 2,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.21 : 8,098.85 = 1,702.13 : x
  2. Step 2: Convert to fraction form
    5,402.21/8,098.85 = 1,702.13/x
  3. Step 3: Cross multiply
    5,402.21x = 8,098.85 × 1,702.13
  4. Step 4: Simplify right side
    5,402.21x = 13,785,259.31
  5. Step 5: Solve for x
    x = 13,785,259.31/5,402.21
  6. Step 6: Final answer
    x = 2,551.78

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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.