Home / 4,098.31-6,147.65-1,324.98

Finding the Fourth Proportional to 4,098.31, 6,147.65 and 1,324.98

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Solution

The fourth proportional to 4,098.31, 6,147.65 and 1,324.98 is: 1,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.31 : 6,147.65 = 1,324.98 : x
  2. Step 2: Convert to fraction form
    4,098.31/6,147.65 = 1,324.98/x
  3. Step 3: Cross multiply
    4,098.31x = 6,147.65 × 1,324.98
  4. Step 4: Simplify right side
    4,098.31x = 8,145,513.30
  5. Step 5: Solve for x
    x = 8,145,513.30/4,098.31
  6. Step 6: Final answer
    x = 1,987.53

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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.