Home / 4,501.50-6,759.72-2,781.06

Finding the Fourth Proportional to 4,501.50, 6,759.72 and 2,781.06

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Solution

The fourth proportional to 4,501.50, 6,759.72 and 2,781.06 is: 4,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501.50 : 6,759.72 = 2,781.06 : x
  2. Step 2: Convert to fraction form
    4,501.50/6,759.72 = 2,781.06/x
  3. Step 3: Cross multiply
    4,501.50x = 6,759.72 × 2,781.06
  4. Step 4: Simplify right side
    4,501.50x = 18,799,186.90
  5. Step 5: Solve for x
    x = 18,799,186.90/4,501.50
  6. Step 6: Final answer
    x = 4,176.21

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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.