Home / 4,132.80-6,199.60-1,211.13

Finding the Fourth Proportional to 4,132.80, 6,199.60 and 1,211.13

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Solution

The fourth proportional to 4,132.80, 6,199.60 and 1,211.13 is: 1,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.80 : 6,199.60 = 1,211.13 : x
  2. Step 2: Convert to fraction form
    4,132.80/6,199.60 = 1,211.13/x
  3. Step 3: Cross multiply
    4,132.80x = 6,199.60 × 1,211.13
  4. Step 4: Simplify right side
    4,132.80x = 7,508,521.55
  5. Step 5: Solve for x
    x = 7,508,521.55/4,132.80
  6. Step 6: Final answer
    x = 1,816.81

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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.