Home / 7,458.68-11,188.06-3,562.20

Finding the Fourth Proportional to 7,458.68, 11,188.06 and 3,562.20

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Solution

The fourth proportional to 7,458.68, 11,188.06 and 3,562.20 is: 5,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.68 : 11,188.06 = 3,562.20 : x
  2. Step 2: Convert to fraction form
    7,458.68/11,188.06 = 3,562.20/x
  3. Step 3: Cross multiply
    7,458.68x = 11,188.06 × 3,562.20
  4. Step 4: Simplify right side
    7,458.68x = 39,854,107.33
  5. Step 5: Solve for x
    x = 39,854,107.33/7,458.68
  6. Step 6: Final answer
    x = 5,343.32

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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.