Home / 6,581.26-9,082.16-3,928.61

Finding the Fourth Proportional to 6,581.26, 9,082.16 and 3,928.61

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Solution

The fourth proportional to 6,581.26, 9,082.16 and 3,928.61 is: 5,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.26 : 9,082.16 = 3,928.61 : x
  2. Step 2: Convert to fraction form
    6,581.26/9,082.16 = 3,928.61/x
  3. Step 3: Cross multiply
    6,581.26x = 9,082.16 × 3,928.61
  4. Step 4: Simplify right side
    6,581.26x = 35,680,282.39
  5. Step 5: Solve for x
    x = 35,680,282.39/6,581.26
  6. Step 6: Final answer
    x = 5,421.50

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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.