Home / 7,135.12-10,702.48-2,753.53

Finding the Fourth Proportional to 7,135.12, 10,702.48 and 2,753.53

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Solution

The fourth proportional to 7,135.12, 10,702.48 and 2,753.53 is: 4,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.12 : 10,702.48 = 2,753.53 : x
  2. Step 2: Convert to fraction form
    7,135.12/10,702.48 = 2,753.53/x
  3. Step 3: Cross multiply
    7,135.12x = 10,702.48 × 2,753.53
  4. Step 4: Simplify right side
    7,135.12x = 29,469,599.75
  5. Step 5: Solve for x
    x = 29,469,599.75/7,135.12
  6. Step 6: Final answer
    x = 4,130.22

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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.