Home / 5,304.20-7,959.16-3,117.20

Finding the Fourth Proportional to 5,304.20, 7,959.16 and 3,117.20

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Solution

The fourth proportional to 5,304.20, 7,959.16 and 3,117.20 is: 4,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.20 : 7,959.16 = 3,117.20 : x
  2. Step 2: Convert to fraction form
    5,304.20/7,959.16 = 3,117.20/x
  3. Step 3: Cross multiply
    5,304.20x = 7,959.16 × 3,117.20
  4. Step 4: Simplify right side
    5,304.20x = 24,810,293.55
  5. Step 5: Solve for x
    x = 24,810,293.55/5,304.20
  6. Step 6: Final answer
    x = 4,677.48

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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.