Home / 7,338.28-10,126.56-3,981.04

Finding the Fourth Proportional to 7,338.28, 10,126.56 and 3,981.04

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Solution

The fourth proportional to 7,338.28, 10,126.56 and 3,981.04 is: 5,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.28 : 10,126.56 = 3,981.04 : x
  2. Step 2: Convert to fraction form
    7,338.28/10,126.56 = 3,981.04/x
  3. Step 3: Cross multiply
    7,338.28x = 10,126.56 × 3,981.04
  4. Step 4: Simplify right side
    7,338.28x = 40,314,240.42
  5. Step 5: Solve for x
    x = 40,314,240.42/7,338.28
  6. Step 6: Final answer
    x = 5,493.69

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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.