Home / 4,380.75-6,554.72-2,729.57

Finding the Fourth Proportional to 4,380.75, 6,554.72 and 2,729.57

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Solution

The fourth proportional to 4,380.75, 6,554.72 and 2,729.57 is: 4,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.75 : 6,554.72 = 2,729.57 : x
  2. Step 2: Convert to fraction form
    4,380.75/6,554.72 = 2,729.57/x
  3. Step 3: Cross multiply
    4,380.75x = 6,554.72 × 2,729.57
  4. Step 4: Simplify right side
    4,380.75x = 17,891,541.12
  5. Step 5: Solve for x
    x = 17,891,541.12/4,380.75
  6. Step 6: Final answer
    x = 4,084.13

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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.