Home / 4,184.91-6,278.31-1,587.87

Finding the Fourth Proportional to 4,184.91, 6,278.31 and 1,587.87

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Solution

The fourth proportional to 4,184.91, 6,278.31 and 1,587.87 is: 2,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.91 : 6,278.31 = 1,587.87 : x
  2. Step 2: Convert to fraction form
    4,184.91/6,278.31 = 1,587.87/x
  3. Step 3: Cross multiply
    4,184.91x = 6,278.31 × 1,587.87
  4. Step 4: Simplify right side
    4,184.91x = 9,969,140.10
  5. Step 5: Solve for x
    x = 9,969,140.10/4,184.91
  6. Step 6: Final answer
    x = 2,382.16

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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.