Home / 5,040.84-7,561.34-1,578.12

Finding the Fourth Proportional to 5,040.84, 7,561.34 and 1,578.12

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Solution

The fourth proportional to 5,040.84, 7,561.34 and 1,578.12 is: 2,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.84 : 7,561.34 = 1,578.12 : x
  2. Step 2: Convert to fraction form
    5,040.84/7,561.34 = 1,578.12/x
  3. Step 3: Cross multiply
    5,040.84x = 7,561.34 × 1,578.12
  4. Step 4: Simplify right side
    5,040.84x = 11,932,701.88
  5. Step 5: Solve for x
    x = 11,932,701.88/5,040.84
  6. Step 6: Final answer
    x = 2,367.21

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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.