Home / 7,509.40-11,256.60-3,553.61

Finding the Fourth Proportional to 7,509.40, 11,256.60 and 3,553.61

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Solution

The fourth proportional to 7,509.40, 11,256.60 and 3,553.61 is: 5,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.40 : 11,256.60 = 3,553.61 : x
  2. Step 2: Convert to fraction form
    7,509.40/11,256.60 = 3,553.61/x
  3. Step 3: Cross multiply
    7,509.40x = 11,256.60 × 3,553.61
  4. Step 4: Simplify right side
    7,509.40x = 40,001,566.33
  5. Step 5: Solve for x
    x = 40,001,566.33/7,509.40
  6. Step 6: Final answer
    x = 5,326.87

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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.