Home / 8,226.66-11,352.49-4,689.19

Finding the Fourth Proportional to 8,226.66, 11,352.49 and 4,689.19

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Solution

The fourth proportional to 8,226.66, 11,352.49 and 4,689.19 is: 6,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.66 : 11,352.49 = 4,689.19 : x
  2. Step 2: Convert to fraction form
    8,226.66/11,352.49 = 4,689.19/x
  3. Step 3: Cross multiply
    8,226.66x = 11,352.49 × 4,689.19
  4. Step 4: Simplify right side
    8,226.66x = 53,233,985.05
  5. Step 5: Solve for x
    x = 53,233,985.05/8,226.66
  6. Step 6: Final answer
    x = 6,470.91

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Half scale
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Double scale
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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.