Home / 7,110.28-10,665.42-2,729.80

Finding the Fourth Proportional to 7,110.28, 10,665.42 and 2,729.80

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Solution

The fourth proportional to 7,110.28, 10,665.42 and 2,729.80 is: 4,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.28 : 10,665.42 = 2,729.80 : x
  2. Step 2: Convert to fraction form
    7,110.28/10,665.42 = 2,729.80/x
  3. Step 3: Cross multiply
    7,110.28x = 10,665.42 × 2,729.80
  4. Step 4: Simplify right side
    7,110.28x = 29,114,463.52
  5. Step 5: Solve for x
    x = 29,114,463.52/7,110.28
  6. Step 6: Final answer
    x = 4,094.70

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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.