Home / 4,306.77-5,945.31-3,311.70

Finding the Fourth Proportional to 4,306.77, 5,945.31 and 3,311.70

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Solution

The fourth proportional to 4,306.77, 5,945.31 and 3,311.70 is: 4,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.77 : 5,945.31 = 3,311.70 : x
  2. Step 2: Convert to fraction form
    4,306.77/5,945.31 = 3,311.70/x
  3. Step 3: Cross multiply
    4,306.77x = 5,945.31 × 3,311.70
  4. Step 4: Simplify right side
    4,306.77x = 19,689,083.13
  5. Step 5: Solve for x
    x = 19,689,083.13/4,306.77
  6. Step 6: Final answer
    x = 4,571.66

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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.