Home / 5,004.20-7,505.64-1,306.68

Finding the Fourth Proportional to 5,004.20, 7,505.64 and 1,306.68

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Solution

The fourth proportional to 5,004.20, 7,505.64 and 1,306.68 is: 1,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.20 : 7,505.64 = 1,306.68 : x
  2. Step 2: Convert to fraction form
    5,004.20/7,505.64 = 1,306.68/x
  3. Step 3: Cross multiply
    5,004.20x = 7,505.64 × 1,306.68
  4. Step 4: Simplify right side
    5,004.20x = 9,807,469.68
  5. Step 5: Solve for x
    x = 9,807,469.68/5,004.20
  6. Step 6: Final answer
    x = 1,959.85

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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.