Home / 6,125.07-9,145.92-5,778.56

Finding the Fourth Proportional to 6,125.07, 9,145.92 and 5,778.56

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Solution

The fourth proportional to 6,125.07, 9,145.92 and 5,778.56 is: 8,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.07 : 9,145.92 = 5,778.56 : x
  2. Step 2: Convert to fraction form
    6,125.07/9,145.92 = 5,778.56/x
  3. Step 3: Cross multiply
    6,125.07x = 9,145.92 × 5,778.56
  4. Step 4: Simplify right side
    6,125.07x = 52,850,201.75
  5. Step 5: Solve for x
    x = 52,850,201.75/6,125.07
  6. Step 6: Final answer
    x = 8,628.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.