Home / 7,267.38-10,890-2,882.58

Finding the Fourth Proportional to 7,267.38, 10,890 and 2,882.58

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Solution

The fourth proportional to 7,267.38, 10,890 and 2,882.58 is: 4,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.38 : 10,890 = 2,882.58 : x
  2. Step 2: Convert to fraction form
    7,267.38/10,890 = 2,882.58/x
  3. Step 3: Cross multiply
    7,267.38x = 10,890 × 2,882.58
  4. Step 4: Simplify right side
    7,267.38x = 31,391,296.20
  5. Step 5: Solve for x
    x = 31,391,296.20/7,267.38
  6. Step 6: Final answer
    x = 4,319.48

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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.