Home / 6,439.88-9,654.96-2,543.24

Finding the Fourth Proportional to 6,439.88, 9,654.96 and 2,543.24

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Solution

The fourth proportional to 6,439.88, 9,654.96 and 2,543.24 is: 3,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.88 : 9,654.96 = 2,543.24 : x
  2. Step 2: Convert to fraction form
    6,439.88/9,654.96 = 2,543.24/x
  3. Step 3: Cross multiply
    6,439.88x = 9,654.96 × 2,543.24
  4. Step 4: Simplify right side
    6,439.88x = 24,554,880.47
  5. Step 5: Solve for x
    x = 24,554,880.47/6,439.88
  6. Step 6: Final answer
    x = 3,812.94

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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.