Home / 6,631.26-9,148.95-3,834.78

Finding the Fourth Proportional to 6,631.26, 9,148.95 and 3,834.78

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Solution

The fourth proportional to 6,631.26, 9,148.95 and 3,834.78 is: 5,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.26 : 9,148.95 = 3,834.78 : x
  2. Step 2: Convert to fraction form
    6,631.26/9,148.95 = 3,834.78/x
  3. Step 3: Cross multiply
    6,631.26x = 9,148.95 × 3,834.78
  4. Step 4: Simplify right side
    6,631.26x = 35,084,210.48
  5. Step 5: Solve for x
    x = 35,084,210.48/6,631.26
  6. Step 6: Final answer
    x = 5,290.73

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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.