Home / 8,615.92-11,889.65-5,264.35

Finding the Fourth Proportional to 8,615.92, 11,889.65 and 5,264.35

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Solution

The fourth proportional to 8,615.92, 11,889.65 and 5,264.35 is: 7,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.92 : 11,889.65 = 5,264.35 : x
  2. Step 2: Convert to fraction form
    8,615.92/11,889.65 = 5,264.35/x
  3. Step 3: Cross multiply
    8,615.92x = 11,889.65 × 5,264.35
  4. Step 4: Simplify right side
    8,615.92x = 62,591,278.98
  5. Step 5: Solve for x
    x = 62,591,278.98/8,615.92
  6. Step 6: Final answer
    x = 7,264.61

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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.