Home / 5,152.63-7,729.98-2,191.06

Finding the Fourth Proportional to 5,152.63, 7,729.98 and 2,191.06

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Solution

The fourth proportional to 5,152.63, 7,729.98 and 2,191.06 is: 3,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.63 : 7,729.98 = 2,191.06 : x
  2. Step 2: Convert to fraction form
    5,152.63/7,729.98 = 2,191.06/x
  3. Step 3: Cross multiply
    5,152.63x = 7,729.98 × 2,191.06
  4. Step 4: Simplify right side
    5,152.63x = 16,936,874.62
  5. Step 5: Solve for x
    x = 16,936,874.62/5,152.63
  6. Step 6: Final answer
    x = 3,287.04

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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.