Home / 6,769.04-10,152.89-2,087.78

Finding the Fourth Proportional to 6,769.04, 10,152.89 and 2,087.78

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Solution

The fourth proportional to 6,769.04, 10,152.89 and 2,087.78 is: 3,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.04 : 10,152.89 = 2,087.78 : x
  2. Step 2: Convert to fraction form
    6,769.04/10,152.89 = 2,087.78/x
  3. Step 3: Cross multiply
    6,769.04x = 10,152.89 × 2,087.78
  4. Step 4: Simplify right side
    6,769.04x = 21,197,031.29
  5. Step 5: Solve for x
    x = 21,197,031.29/6,769.04
  6. Step 6: Final answer
    x = 3,131.47

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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.