Home / 8,132.57-11,222.97-4,406.57

Finding the Fourth Proportional to 8,132.57, 11,222.97 and 4,406.57

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Solution

The fourth proportional to 8,132.57, 11,222.97 and 4,406.57 is: 6,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.57 : 11,222.97 = 4,406.57 : x
  2. Step 2: Convert to fraction form
    8,132.57/11,222.97 = 4,406.57/x
  3. Step 3: Cross multiply
    8,132.57x = 11,222.97 × 4,406.57
  4. Step 4: Simplify right side
    8,132.57x = 49,454,802.91
  5. Step 5: Solve for x
    x = 49,454,802.91/8,132.57
  6. Step 6: Final answer
    x = 6,081.08

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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.