Home / 5,266.26-7,900.45-2,146.23

Finding the Fourth Proportional to 5,266.26, 7,900.45 and 2,146.23

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Solution

The fourth proportional to 5,266.26, 7,900.45 and 2,146.23 is: 3,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.26 : 7,900.45 = 2,146.23 : x
  2. Step 2: Convert to fraction form
    5,266.26/7,900.45 = 2,146.23/x
  3. Step 3: Cross multiply
    5,266.26x = 7,900.45 × 2,146.23
  4. Step 4: Simplify right side
    5,266.26x = 16,956,177.44
  5. Step 5: Solve for x
    x = 16,956,177.44/5,266.26
  6. Step 6: Final answer
    x = 3,219.78

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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.