Home / 6,988.38-10,475.73-2,603.44

Finding the Fourth Proportional to 6,988.38, 10,475.73 and 2,603.44

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Solution

The fourth proportional to 6,988.38, 10,475.73 and 2,603.44 is: 3,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.38 : 10,475.73 = 2,603.44 : x
  2. Step 2: Convert to fraction form
    6,988.38/10,475.73 = 2,603.44/x
  3. Step 3: Cross multiply
    6,988.38x = 10,475.73 × 2,603.44
  4. Step 4: Simplify right side
    6,988.38x = 27,272,947.61
  5. Step 5: Solve for x
    x = 27,272,947.61/6,988.38
  6. Step 6: Final answer
    x = 3,902.62

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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.