Home / 6,769.12-10,153.68-2,876.80

Finding the Fourth Proportional to 6,769.12, 10,153.68 and 2,876.80

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Solution

The fourth proportional to 6,769.12, 10,153.68 and 2,876.80 is: 4,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.12 : 10,153.68 = 2,876.80 : x
  2. Step 2: Convert to fraction form
    6,769.12/10,153.68 = 2,876.80/x
  3. Step 3: Cross multiply
    6,769.12x = 10,153.68 × 2,876.80
  4. Step 4: Simplify right side
    6,769.12x = 29,210,106.62
  5. Step 5: Solve for x
    x = 29,210,106.62/6,769.12
  6. Step 6: Final answer
    x = 4,315.20

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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.