Home / 5,920.55-8,886.68-3,147.23

Finding the Fourth Proportional to 5,920.55, 8,886.68 and 3,147.23

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Solution

The fourth proportional to 5,920.55, 8,886.68 and 3,147.23 is: 4,723.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.55 : 8,886.68 = 3,147.23 : x
  2. Step 2: Convert to fraction form
    5,920.55/8,886.68 = 3,147.23/x
  3. Step 3: Cross multiply
    5,920.55x = 8,886.68 × 3,147.23
  4. Step 4: Simplify right side
    5,920.55x = 27,968,425.90
  5. Step 5: Solve for x
    x = 27,968,425.90/5,920.55
  6. Step 6: Final answer
    x = 4,723.96

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1.5x scale

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.