Home / 7,119.29-9,825.17-4,134.95

Finding the Fourth Proportional to 7,119.29, 9,825.17 and 4,134.95

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Solution

The fourth proportional to 7,119.29, 9,825.17 and 4,134.95 is: 5,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.29 : 9,825.17 = 4,134.95 : x
  2. Step 2: Convert to fraction form
    7,119.29/9,825.17 = 4,134.95/x
  3. Step 3: Cross multiply
    7,119.29x = 9,825.17 × 4,134.95
  4. Step 4: Simplify right side
    7,119.29x = 40,626,588.62
  5. Step 5: Solve for x
    x = 40,626,588.62/7,119.29
  6. Step 6: Final answer
    x = 5,706.55

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1.5x scale

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.