Home / 6,865.42-9,474.33-3,721.63

Finding the Fourth Proportional to 6,865.42, 9,474.33 and 3,721.63

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Solution

The fourth proportional to 6,865.42, 9,474.33 and 3,721.63 is: 5,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.42 : 9,474.33 = 3,721.63 : x
  2. Step 2: Convert to fraction form
    6,865.42/9,474.33 = 3,721.63/x
  3. Step 3: Cross multiply
    6,865.42x = 9,474.33 × 3,721.63
  4. Step 4: Simplify right side
    6,865.42x = 35,259,950.76
  5. Step 5: Solve for x
    x = 35,259,950.76/6,865.42
  6. Step 6: Final answer
    x = 5,135.88

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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.