Home / 4,865.90-6,700.79-4,227.54

Finding the Fourth Proportional to 4,865.90, 6,700.79 and 4,227.54

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Solution

The fourth proportional to 4,865.90, 6,700.79 and 4,227.54 is: 5,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.90 : 6,700.79 = 4,227.54 : x
  2. Step 2: Convert to fraction form
    4,865.90/6,700.79 = 4,227.54/x
  3. Step 3: Cross multiply
    4,865.90x = 6,700.79 × 4,227.54
  4. Step 4: Simplify right side
    4,865.90x = 28,327,868.33
  5. Step 5: Solve for x
    x = 28,327,868.33/4,865.90
  6. Step 6: Final answer
    x = 5,821.72

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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.