Home / 5,125.66-7,074.06-3,551.02

Finding the Fourth Proportional to 5,125.66, 7,074.06 and 3,551.02

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Solution

The fourth proportional to 5,125.66, 7,074.06 and 3,551.02 is: 4,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.66 : 7,074.06 = 3,551.02 : x
  2. Step 2: Convert to fraction form
    5,125.66/7,074.06 = 3,551.02/x
  3. Step 3: Cross multiply
    5,125.66x = 7,074.06 × 3,551.02
  4. Step 4: Simplify right side
    5,125.66x = 25,120,128.54
  5. Step 5: Solve for x
    x = 25,120,128.54/5,125.66
  6. Step 6: Final answer
    x = 4,900.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.