Home / 7,320.42-10,102.22-3,963.24

Finding the Fourth Proportional to 7,320.42, 10,102.22 and 3,963.24

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Solution

The fourth proportional to 7,320.42, 10,102.22 and 3,963.24 is: 5,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.42 : 10,102.22 = 3,963.24 : x
  2. Step 2: Convert to fraction form
    7,320.42/10,102.22 = 3,963.24/x
  3. Step 3: Cross multiply
    7,320.42x = 10,102.22 × 3,963.24
  4. Step 4: Simplify right side
    7,320.42x = 40,037,502.58
  5. Step 5: Solve for x
    x = 40,037,502.58/7,320.42
  6. Step 6: Final answer
    x = 5,469.29

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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.