Home / 9,180.74-13,761.66-5,226.86

Finding the Fourth Proportional to 9,180.74, 13,761.66 and 5,226.86

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Solution

The fourth proportional to 9,180.74, 13,761.66 and 5,226.86 is: 7,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.74 : 13,761.66 = 5,226.86 : x
  2. Step 2: Convert to fraction form
    9,180.74/13,761.66 = 5,226.86/x
  3. Step 3: Cross multiply
    9,180.74x = 13,761.66 × 5,226.86
  4. Step 4: Simplify right side
    9,180.74x = 71,930,270.19
  5. Step 5: Solve for x
    x = 71,930,270.19/9,180.74
  6. Step 6: Final answer
    x = 7,834.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.