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Finding the Fourth Proportional to 4,510.84, 6,769.52 and 2,780.68

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Solution

The fourth proportional to 4,510.84, 6,769.52 and 2,780.68 is: 4,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.84 : 6,769.52 = 2,780.68 : x
  2. Step 2: Convert to fraction form
    4,510.84/6,769.52 = 2,780.68/x
  3. Step 3: Cross multiply
    4,510.84x = 6,769.52 × 2,780.68
  4. Step 4: Simplify right side
    4,510.84x = 18,823,868.87
  5. Step 5: Solve for x
    x = 18,823,868.87/4,510.84
  6. Step 6: Final answer
    x = 4,173.03

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1.5x scale

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.