Home / 5,806.72-8,013.30-3,154.15

Finding the Fourth Proportional to 5,806.72, 8,013.30 and 3,154.15

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Solution

The fourth proportional to 5,806.72, 8,013.30 and 3,154.15 is: 4,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.72 : 8,013.30 = 3,154.15 : x
  2. Step 2: Convert to fraction form
    5,806.72/8,013.30 = 3,154.15/x
  3. Step 3: Cross multiply
    5,806.72x = 8,013.30 × 3,154.15
  4. Step 4: Simplify right side
    5,806.72x = 25,275,110.13
  5. Step 5: Solve for x
    x = 25,275,110.13/5,806.72
  6. Step 6: Final answer
    x = 4,352.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.