Home / 4,512.84-6,769.20-2,320.40

Finding the Fourth Proportional to 4,512.84, 6,769.20 and 2,320.40

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Solution

The fourth proportional to 4,512.84, 6,769.20 and 2,320.40 is: 3,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.84 : 6,769.20 = 2,320.40 : x
  2. Step 2: Convert to fraction form
    4,512.84/6,769.20 = 2,320.40/x
  3. Step 3: Cross multiply
    4,512.84x = 6,769.20 × 2,320.40
  4. Step 4: Simplify right side
    4,512.84x = 15,707,251.68
  5. Step 5: Solve for x
    x = 15,707,251.68/4,512.84
  6. Step 6: Final answer
    x = 3,480.57

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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.