Home / 6,630.87-9,149.18-3,834.75

Finding the Fourth Proportional to 6,630.87, 9,149.18 and 3,834.75

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Solution

The fourth proportional to 6,630.87, 9,149.18 and 3,834.75 is: 5,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.87 : 9,149.18 = 3,834.75 : x
  2. Step 2: Convert to fraction form
    6,630.87/9,149.18 = 3,834.75/x
  3. Step 3: Cross multiply
    6,630.87x = 9,149.18 × 3,834.75
  4. Step 4: Simplify right side
    6,630.87x = 35,084,798.83
  5. Step 5: Solve for x
    x = 35,084,798.83/6,630.87
  6. Step 6: Final answer
    x = 5,291.13

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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.