Home / 4,825.20-6,661.26-3,149.04

Finding the Fourth Proportional to 4,825.20, 6,661.26 and 3,149.04

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Solution

The fourth proportional to 4,825.20, 6,661.26 and 3,149.04 is: 4,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.20 : 6,661.26 = 3,149.04 : x
  2. Step 2: Convert to fraction form
    4,825.20/6,661.26 = 3,149.04/x
  3. Step 3: Cross multiply
    4,825.20x = 6,661.26 × 3,149.04
  4. Step 4: Simplify right side
    4,825.20x = 20,976,574.19
  5. Step 5: Solve for x
    x = 20,976,574.19/4,825.20
  6. Step 6: Final answer
    x = 4,347.30

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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.