Home / 5,057.30-7,588.14-1,772.72

Finding the Fourth Proportional to 5,057.30, 7,588.14 and 1,772.72

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Solution

The fourth proportional to 5,057.30, 7,588.14 and 1,772.72 is: 2,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.30 : 7,588.14 = 1,772.72 : x
  2. Step 2: Convert to fraction form
    5,057.30/7,588.14 = 1,772.72/x
  3. Step 3: Cross multiply
    5,057.30x = 7,588.14 × 1,772.72
  4. Step 4: Simplify right side
    5,057.30x = 13,451,647.54
  5. Step 5: Solve for x
    x = 13,451,647.54/5,057.30
  6. Step 6: Final answer
    x = 2,659.85

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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.