Home / 5,006.28-7,505.36-2,086.76

Finding the Fourth Proportional to 5,006.28, 7,505.36 and 2,086.76

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Solution

The fourth proportional to 5,006.28, 7,505.36 and 2,086.76 is: 3,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.28 : 7,505.36 = 2,086.76 : x
  2. Step 2: Convert to fraction form
    5,006.28/7,505.36 = 2,086.76/x
  3. Step 3: Cross multiply
    5,006.28x = 7,505.36 × 2,086.76
  4. Step 4: Simplify right side
    5,006.28x = 15,661,885.03
  5. Step 5: Solve for x
    x = 15,661,885.03/5,006.28
  6. Step 6: Final answer
    x = 3,128.45

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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.