Home / 4,387.88-6,581.86-1,268.16

Finding the Fourth Proportional to 4,387.88, 6,581.86 and 1,268.16

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Solution

The fourth proportional to 4,387.88, 6,581.86 and 1,268.16 is: 1,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.88 : 6,581.86 = 1,268.16 : x
  2. Step 2: Convert to fraction form
    4,387.88/6,581.86 = 1,268.16/x
  3. Step 3: Cross multiply
    4,387.88x = 6,581.86 × 1,268.16
  4. Step 4: Simplify right side
    4,387.88x = 8,346,851.58
  5. Step 5: Solve for x
    x = 8,346,851.58/4,387.88
  6. Step 6: Final answer
    x = 1,902.25

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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.