Home / 5,150.32-7,725.36-1,254.72

Finding the Fourth Proportional to 5,150.32, 7,725.36 and 1,254.72

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Solution

The fourth proportional to 5,150.32, 7,725.36 and 1,254.72 is: 1,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.32 : 7,725.36 = 1,254.72 : x
  2. Step 2: Convert to fraction form
    5,150.32/7,725.36 = 1,254.72/x
  3. Step 3: Cross multiply
    5,150.32x = 7,725.36 × 1,254.72
  4. Step 4: Simplify right side
    5,150.32x = 9,693,163.70
  5. Step 5: Solve for x
    x = 9,693,163.70/5,150.32
  6. Step 6: Final answer
    x = 1,882.05

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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.