Home / 7,867.26-10,856.82-4,282.20

Finding the Fourth Proportional to 7,867.26, 10,856.82 and 4,282.20

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Solution

The fourth proportional to 7,867.26, 10,856.82 and 4,282.20 is: 5,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.26 : 10,856.82 = 4,282.20 : x
  2. Step 2: Convert to fraction form
    7,867.26/10,856.82 = 4,282.20/x
  3. Step 3: Cross multiply
    7,867.26x = 10,856.82 × 4,282.20
  4. Step 4: Simplify right side
    7,867.26x = 46,490,998.91
  5. Step 5: Solve for x
    x = 46,490,998.91/7,867.26
  6. Step 6: Final answer
    x = 5,909.43

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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.