Home / 8,522.45-11,761.89-4,988.62

Finding the Fourth Proportional to 8,522.45, 11,761.89 and 4,988.62

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Solution

The fourth proportional to 8,522.45, 11,761.89 and 4,988.62 is: 6,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.45 : 11,761.89 = 4,988.62 : x
  2. Step 2: Convert to fraction form
    8,522.45/11,761.89 = 4,988.62/x
  3. Step 3: Cross multiply
    8,522.45x = 11,761.89 × 4,988.62
  4. Step 4: Simplify right side
    8,522.45x = 58,675,574.75
  5. Step 5: Solve for x
    x = 58,675,574.75/8,522.45
  6. Step 6: Final answer
    x = 6,884.83

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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.