Home / 4,775.25-6,589.85-2,912.61

Finding the Fourth Proportional to 4,775.25, 6,589.85 and 2,912.61

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Solution

The fourth proportional to 4,775.25, 6,589.85 and 2,912.61 is: 4,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.25 : 6,589.85 = 2,912.61 : x
  2. Step 2: Convert to fraction form
    4,775.25/6,589.85 = 2,912.61/x
  3. Step 3: Cross multiply
    4,775.25x = 6,589.85 × 2,912.61
  4. Step 4: Simplify right side
    4,775.25x = 19,193,648.45
  5. Step 5: Solve for x
    x = 19,193,648.45/4,775.25
  6. Step 6: Final answer
    x = 4,019.40

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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.