Home / 7,458.21-11,190.56-3,759.75

Finding the Fourth Proportional to 7,458.21, 11,190.56 and 3,759.75

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Solution

The fourth proportional to 7,458.21, 11,190.56 and 3,759.75 is: 5,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.21 : 11,190.56 = 3,759.75 : x
  2. Step 2: Convert to fraction form
    7,458.21/11,190.56 = 3,759.75/x
  3. Step 3: Cross multiply
    7,458.21x = 11,190.56 × 3,759.75
  4. Step 4: Simplify right side
    7,458.21x = 42,073,689.16
  5. Step 5: Solve for x
    x = 42,073,689.16/7,458.21
  6. Step 6: Final answer
    x = 5,641.26

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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.