Home / 4,843.40-7,266.24-1,380.56

Finding the Fourth Proportional to 4,843.40, 7,266.24 and 1,380.56

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Solution

The fourth proportional to 4,843.40, 7,266.24 and 1,380.56 is: 2,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.40 : 7,266.24 = 1,380.56 : x
  2. Step 2: Convert to fraction form
    4,843.40/7,266.24 = 1,380.56/x
  3. Step 3: Cross multiply
    4,843.40x = 7,266.24 × 1,380.56
  4. Step 4: Simplify right side
    4,843.40x = 10,031,480.29
  5. Step 5: Solve for x
    x = 10,031,480.29/4,843.40
  6. Step 6: Final answer
    x = 2,071.16

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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.