Home / 4,272.50-6,405.63-2,882.38

Finding the Fourth Proportional to 4,272.50, 6,405.63 and 2,882.38

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Solution

The fourth proportional to 4,272.50, 6,405.63 and 2,882.38 is: 4,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.50 : 6,405.63 = 2,882.38 : x
  2. Step 2: Convert to fraction form
    4,272.50/6,405.63 = 2,882.38/x
  3. Step 3: Cross multiply
    4,272.50x = 6,405.63 × 2,882.38
  4. Step 4: Simplify right side
    4,272.50x = 18,463,459.80
  5. Step 5: Solve for x
    x = 18,463,459.80/4,272.50
  6. Step 6: Final answer
    x = 4,321.47

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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.