Home / 5,291.62-7,937.54-1,395.88

Finding the Fourth Proportional to 5,291.62, 7,937.54 and 1,395.88

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Solution

The fourth proportional to 5,291.62, 7,937.54 and 1,395.88 is: 2,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.62 : 7,937.54 = 1,395.88 : x
  2. Step 2: Convert to fraction form
    5,291.62/7,937.54 = 1,395.88/x
  3. Step 3: Cross multiply
    5,291.62x = 7,937.54 × 1,395.88
  4. Step 4: Simplify right side
    5,291.62x = 11,079,853.34
  5. Step 5: Solve for x
    x = 11,079,853.34/5,291.62
  6. Step 6: Final answer
    x = 2,093.85

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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.