Home / 5,007.26-6,909.84-2,882.72

Finding the Fourth Proportional to 5,007.26, 6,909.84 and 2,882.72

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Solution

The fourth proportional to 5,007.26, 6,909.84 and 2,882.72 is: 3,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.26 : 6,909.84 = 2,882.72 : x
  2. Step 2: Convert to fraction form
    5,007.26/6,909.84 = 2,882.72/x
  3. Step 3: Cross multiply
    5,007.26x = 6,909.84 × 2,882.72
  4. Step 4: Simplify right side
    5,007.26x = 19,919,133.96
  5. Step 5: Solve for x
    x = 19,919,133.96/5,007.26
  6. Step 6: Final answer
    x = 3,978.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.