Home / 5,192.75-7,799.61-3,116.70

Finding the Fourth Proportional to 5,192.75, 7,799.61 and 3,116.70

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Solution

The fourth proportional to 5,192.75, 7,799.61 and 3,116.70 is: 4,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.75 : 7,799.61 = 3,116.70 : x
  2. Step 2: Convert to fraction form
    5,192.75/7,799.61 = 3,116.70/x
  3. Step 3: Cross multiply
    5,192.75x = 7,799.61 × 3,116.70
  4. Step 4: Simplify right side
    5,192.75x = 24,309,044.49
  5. Step 5: Solve for x
    x = 24,309,044.49/5,192.75
  6. Step 6: Final answer
    x = 4,681.34

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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.