Home / 4,849.70-6,691.55-2,859.53

Finding the Fourth Proportional to 4,849.70, 6,691.55 and 2,859.53

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Solution

The fourth proportional to 4,849.70, 6,691.55 and 2,859.53 is: 3,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.70 : 6,691.55 = 2,859.53 : x
  2. Step 2: Convert to fraction form
    4,849.70/6,691.55 = 2,859.53/x
  3. Step 3: Cross multiply
    4,849.70x = 6,691.55 × 2,859.53
  4. Step 4: Simplify right side
    4,849.70x = 19,134,640.22
  5. Step 5: Solve for x
    x = 19,134,640.22/4,849.70
  6. Step 6: Final answer
    x = 3,945.53

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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.