Home / 7,937.10-11,903.40-3,003.12

Finding the Fourth Proportional to 7,937.10, 11,903.40 and 3,003.12

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Solution

The fourth proportional to 7,937.10, 11,903.40 and 3,003.12 is: 4,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.10 : 11,903.40 = 3,003.12 : x
  2. Step 2: Convert to fraction form
    7,937.10/11,903.40 = 3,003.12/x
  3. Step 3: Cross multiply
    7,937.10x = 11,903.40 × 3,003.12
  4. Step 4: Simplify right side
    7,937.10x = 35,747,338.61
  5. Step 5: Solve for x
    x = 35,747,338.61/7,937.10
  6. Step 6: Final answer
    x = 4,503.83

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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.