Home / 8,167.29-11,277.22-6,275.87

Finding the Fourth Proportional to 8,167.29, 11,277.22 and 6,275.87

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Solution

The fourth proportional to 8,167.29, 11,277.22 and 6,275.87 is: 8,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.29 : 11,277.22 = 6,275.87 : x
  2. Step 2: Convert to fraction form
    8,167.29/11,277.22 = 6,275.87/x
  3. Step 3: Cross multiply
    8,167.29x = 11,277.22 × 6,275.87
  4. Step 4: Simplify right side
    8,167.29x = 70,774,366.68
  5. Step 5: Solve for x
    x = 70,774,366.68/8,167.29
  6. Step 6: Final answer
    x = 8,665.59

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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.