Home / 4,335.90-6,499.19-1,871.88

Finding the Fourth Proportional to 4,335.90, 6,499.19 and 1,871.88

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Solution

The fourth proportional to 4,335.90, 6,499.19 and 1,871.88 is: 2,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.90 : 6,499.19 = 1,871.88 : x
  2. Step 2: Convert to fraction form
    4,335.90/6,499.19 = 1,871.88/x
  3. Step 3: Cross multiply
    4,335.90x = 6,499.19 × 1,871.88
  4. Step 4: Simplify right side
    4,335.90x = 12,165,694.42
  5. Step 5: Solve for x
    x = 12,165,694.42/4,335.90
  6. Step 6: Final answer
    x = 2,805.81

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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.