Home / 7,320.46-10,102.14-3,963.21

Finding the Fourth Proportional to 7,320.46, 10,102.14 and 3,963.21

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Solution

The fourth proportional to 7,320.46, 10,102.14 and 3,963.21 is: 5,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.46 : 10,102.14 = 3,963.21 : x
  2. Step 2: Convert to fraction form
    7,320.46/10,102.14 = 3,963.21/x
  3. Step 3: Cross multiply
    7,320.46x = 10,102.14 × 3,963.21
  4. Step 4: Simplify right side
    7,320.46x = 40,036,902.27
  5. Step 5: Solve for x
    x = 40,036,902.27/7,320.46
  6. Step 6: Final answer
    x = 5,469.18

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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.