Home / 6,387.08-9,576.65-2,687.40

Finding the Fourth Proportional to 6,387.08, 9,576.65 and 2,687.40

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Solution

The fourth proportional to 6,387.08, 9,576.65 and 2,687.40 is: 4,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.08 : 9,576.65 = 2,687.40 : x
  2. Step 2: Convert to fraction form
    6,387.08/9,576.65 = 2,687.40/x
  3. Step 3: Cross multiply
    6,387.08x = 9,576.65 × 2,687.40
  4. Step 4: Simplify right side
    6,387.08x = 25,736,295.93
  5. Step 5: Solve for x
    x = 25,736,295.93/6,387.08
  6. Step 6: Final answer
    x = 4,029.43

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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.