Home / 5,080.43-7,620.57-1,382.74

Finding the Fourth Proportional to 5,080.43, 7,620.57 and 1,382.74

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Solution

The fourth proportional to 5,080.43, 7,620.57 and 1,382.74 is: 2,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.43 : 7,620.57 = 1,382.74 : x
  2. Step 2: Convert to fraction form
    5,080.43/7,620.57 = 1,382.74/x
  3. Step 3: Cross multiply
    5,080.43x = 7,620.57 × 1,382.74
  4. Step 4: Simplify right side
    5,080.43x = 10,537,247.91
  5. Step 5: Solve for x
    x = 10,537,247.91/5,080.43
  6. Step 6: Final answer
    x = 2,074.08

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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.