Home / 7,908.38-10,912.61-4,371.11

Finding the Fourth Proportional to 7,908.38, 10,912.61 and 4,371.11

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Solution

The fourth proportional to 7,908.38, 10,912.61 and 4,371.11 is: 6,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.38 : 10,912.61 = 4,371.11 : x
  2. Step 2: Convert to fraction form
    7,908.38/10,912.61 = 4,371.11/x
  3. Step 3: Cross multiply
    7,908.38x = 10,912.61 × 4,371.11
  4. Step 4: Simplify right side
    7,908.38x = 47,700,175.06
  5. Step 5: Solve for x
    x = 47,700,175.06/7,908.38
  6. Step 6: Final answer
    x = 6,031.60

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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.