Home / 5,320.80-7,984.98-2,401.56

Finding the Fourth Proportional to 5,320.80, 7,984.98 and 2,401.56

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Solution

The fourth proportional to 5,320.80, 7,984.98 and 2,401.56 is: 3,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.80 : 7,984.98 = 2,401.56 : x
  2. Step 2: Convert to fraction form
    5,320.80/7,984.98 = 2,401.56/x
  3. Step 3: Cross multiply
    5,320.80x = 7,984.98 × 2,401.56
  4. Step 4: Simplify right side
    5,320.80x = 19,176,408.57
  5. Step 5: Solve for x
    x = 19,176,408.57/5,320.80
  6. Step 6: Final answer
    x = 3,604.05

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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.