Home / 5,691.64-8,538.06-2,182.87

Finding the Fourth Proportional to 5,691.64, 8,538.06 and 2,182.87

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Solution

The fourth proportional to 5,691.64, 8,538.06 and 2,182.87 is: 3,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.64 : 8,538.06 = 2,182.87 : x
  2. Step 2: Convert to fraction form
    5,691.64/8,538.06 = 2,182.87/x
  3. Step 3: Cross multiply
    5,691.64x = 8,538.06 × 2,182.87
  4. Step 4: Simplify right side
    5,691.64x = 18,637,475.03
  5. Step 5: Solve for x
    x = 18,637,475.03/5,691.64
  6. Step 6: Final answer
    x = 3,274.54

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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.