Home / 7,135.24-10,702.54-3,242.76

Finding the Fourth Proportional to 7,135.24, 10,702.54 and 3,242.76

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Solution

The fourth proportional to 7,135.24, 10,702.54 and 3,242.76 is: 4,863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.24 : 10,702.54 = 3,242.76 : x
  2. Step 2: Convert to fraction form
    7,135.24/10,702.54 = 3,242.76/x
  3. Step 3: Cross multiply
    7,135.24x = 10,702.54 × 3,242.76
  4. Step 4: Simplify right side
    7,135.24x = 34,705,768.61
  5. Step 5: Solve for x
    x = 34,705,768.61/7,135.24
  6. Step 6: Final answer
    x = 4,863.99

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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.