Home / 5,978.29-8,246.63-3,587.62

Finding the Fourth Proportional to 5,978.29, 8,246.63 and 3,587.62

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Solution

The fourth proportional to 5,978.29, 8,246.63 and 3,587.62 is: 4,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.29 : 8,246.63 = 3,587.62 : x
  2. Step 2: Convert to fraction form
    5,978.29/8,246.63 = 3,587.62/x
  3. Step 3: Cross multiply
    5,978.29x = 8,246.63 × 3,587.62
  4. Step 4: Simplify right side
    5,978.29x = 29,585,756.78
  5. Step 5: Solve for x
    x = 29,585,756.78/5,978.29
  6. Step 6: Final answer
    x = 4,948.87

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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.