Home / 7,867.30-10,856.36-4,282.22

Finding the Fourth Proportional to 7,867.30, 10,856.36 and 4,282.22

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Solution

The fourth proportional to 7,867.30, 10,856.36 and 4,282.22 is: 5,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.30 : 10,856.36 = 4,282.22 : x
  2. Step 2: Convert to fraction form
    7,867.30/10,856.36 = 4,282.22/x
  3. Step 3: Cross multiply
    7,867.30x = 10,856.36 × 4,282.22
  4. Step 4: Simplify right side
    7,867.30x = 46,489,321.92
  5. Step 5: Solve for x
    x = 46,489,321.92/7,867.30
  6. Step 6: Final answer
    x = 5,909.18

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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.