Home / 5,080.66-7,621.14-1,382.87

Finding the Fourth Proportional to 5,080.66, 7,621.14 and 1,382.87

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Solution

The fourth proportional to 5,080.66, 7,621.14 and 1,382.87 is: 2,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.66 : 7,621.14 = 1,382.87 : x
  2. Step 2: Convert to fraction form
    5,080.66/7,621.14 = 1,382.87/x
  3. Step 3: Cross multiply
    5,080.66x = 7,621.14 × 1,382.87
  4. Step 4: Simplify right side
    5,080.66x = 10,539,045.87
  5. Step 5: Solve for x
    x = 10,539,045.87/5,080.66
  6. Step 6: Final answer
    x = 2,074.35

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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.