Home / 5,050.72-7,578.38-2,278.12

Finding the Fourth Proportional to 5,050.72, 7,578.38 and 2,278.12

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Solution

The fourth proportional to 5,050.72, 7,578.38 and 2,278.12 is: 3,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.72 : 7,578.38 = 2,278.12 : x
  2. Step 2: Convert to fraction form
    5,050.72/7,578.38 = 2,278.12/x
  3. Step 3: Cross multiply
    5,050.72x = 7,578.38 × 2,278.12
  4. Step 4: Simplify right side
    5,050.72x = 17,264,459.05
  5. Step 5: Solve for x
    x = 17,264,459.05/5,050.72
  6. Step 6: Final answer
    x = 3,418.22

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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.