Home / 7,074.07-10,605.60-3,175.75

Finding the Fourth Proportional to 7,074.07, 10,605.60 and 3,175.75

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Solution

The fourth proportional to 7,074.07, 10,605.60 and 3,175.75 is: 4,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.07 : 10,605.60 = 3,175.75 : x
  2. Step 2: Convert to fraction form
    7,074.07/10,605.60 = 3,175.75/x
  3. Step 3: Cross multiply
    7,074.07x = 10,605.60 × 3,175.75
  4. Step 4: Simplify right side
    7,074.07x = 33,680,734.20
  5. Step 5: Solve for x
    x = 33,680,734.20/7,074.07
  6. Step 6: Final answer
    x = 4,761.15

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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.