Home / 6,839.28-9,440.55-4,007.57

Finding the Fourth Proportional to 6,839.28, 9,440.55 and 4,007.57

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Solution

The fourth proportional to 6,839.28, 9,440.55 and 4,007.57 is: 5,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.28 : 9,440.55 = 4,007.57 : x
  2. Step 2: Convert to fraction form
    6,839.28/9,440.55 = 4,007.57/x
  3. Step 3: Cross multiply
    6,839.28x = 9,440.55 × 4,007.57
  4. Step 4: Simplify right side
    6,839.28x = 37,833,617.76
  5. Step 5: Solve for x
    x = 37,833,617.76/6,839.28
  6. Step 6: Final answer
    x = 5,531.81

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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.