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Finding the Fourth Proportional to 5,604.80, 8,404.16 and 2,315.79

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Solution

The fourth proportional to 5,604.80, 8,404.16 and 2,315.79 is: 3,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.80 : 8,404.16 = 2,315.79 : x
  2. Step 2: Convert to fraction form
    5,604.80/8,404.16 = 2,315.79/x
  3. Step 3: Cross multiply
    5,604.80x = 8,404.16 × 2,315.79
  4. Step 4: Simplify right side
    5,604.80x = 19,462,258.11
  5. Step 5: Solve for x
    x = 19,462,258.11/5,604.80
  6. Step 6: Final answer
    x = 3,472.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.