Home / 8,755.46-12,084.12-5,218.90

Finding the Fourth Proportional to 8,755.46, 12,084.12 and 5,218.90

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Solution

The fourth proportional to 8,755.46, 12,084.12 and 5,218.90 is: 7,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.46 : 12,084.12 = 5,218.90 : x
  2. Step 2: Convert to fraction form
    8,755.46/12,084.12 = 5,218.90/x
  3. Step 3: Cross multiply
    8,755.46x = 12,084.12 × 5,218.90
  4. Step 4: Simplify right side
    8,755.46x = 63,065,813.87
  5. Step 5: Solve for x
    x = 63,065,813.87/8,755.46
  6. Step 6: Final answer
    x = 7,203.03

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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.