Home / 7,010.68-10,520.16-2,850.38

Finding the Fourth Proportional to 7,010.68, 10,520.16 and 2,850.38

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Solution

The fourth proportional to 7,010.68, 10,520.16 and 2,850.38 is: 4,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.68 : 10,520.16 = 2,850.38 : x
  2. Step 2: Convert to fraction form
    7,010.68/10,520.16 = 2,850.38/x
  3. Step 3: Cross multiply
    7,010.68x = 10,520.16 × 2,850.38
  4. Step 4: Simplify right side
    7,010.68x = 29,986,453.66
  5. Step 5: Solve for x
    x = 29,986,453.66/7,010.68
  6. Step 6: Final answer
    x = 4,277.25

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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.