Home / 4,449.55-6,672.30-1,985.13

Finding the Fourth Proportional to 4,449.55, 6,672.30 and 1,985.13

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Solution

The fourth proportional to 4,449.55, 6,672.30 and 1,985.13 is: 2,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.55 : 6,672.30 = 1,985.13 : x
  2. Step 2: Convert to fraction form
    4,449.55/6,672.30 = 1,985.13/x
  3. Step 3: Cross multiply
    4,449.55x = 6,672.30 × 1,985.13
  4. Step 4: Simplify right side
    4,449.55x = 13,245,382.90
  5. Step 5: Solve for x
    x = 13,245,382.90/4,449.55
  6. Step 6: Final answer
    x = 2,976.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.