Home / 5,233.10-7,221.30-2,963.79

Finding the Fourth Proportional to 5,233.10, 7,221.30 and 2,963.79

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Solution

The fourth proportional to 5,233.10, 7,221.30 and 2,963.79 is: 4,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.10 : 7,221.30 = 2,963.79 : x
  2. Step 2: Convert to fraction form
    5,233.10/7,221.30 = 2,963.79/x
  3. Step 3: Cross multiply
    5,233.10x = 7,221.30 × 2,963.79
  4. Step 4: Simplify right side
    5,233.10x = 21,402,416.73
  5. Step 5: Solve for x
    x = 21,402,416.73/5,233.10
  6. Step 6: Final answer
    x = 4,089.82

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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.