Home / 8,260.66-11,409.17-5,440.63

Finding the Fourth Proportional to 8,260.66, 11,409.17 and 5,440.63

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Solution

The fourth proportional to 8,260.66, 11,409.17 and 5,440.63 is: 7,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.66 : 11,409.17 = 5,440.63 : x
  2. Step 2: Convert to fraction form
    8,260.66/11,409.17 = 5,440.63/x
  3. Step 3: Cross multiply
    8,260.66x = 11,409.17 × 5,440.63
  4. Step 4: Simplify right side
    8,260.66x = 62,073,072.58
  5. Step 5: Solve for x
    x = 62,073,072.58/8,260.66
  6. Step 6: Final answer
    x = 7,514.30

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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.