Home / 5,578.82-7,698.85-3,060.89

Finding the Fourth Proportional to 5,578.82, 7,698.85 and 3,060.89

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Solution

The fourth proportional to 5,578.82, 7,698.85 and 3,060.89 is: 4,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.82 : 7,698.85 = 3,060.89 : x
  2. Step 2: Convert to fraction form
    5,578.82/7,698.85 = 3,060.89/x
  3. Step 3: Cross multiply
    5,578.82x = 7,698.85 × 3,060.89
  4. Step 4: Simplify right side
    5,578.82x = 23,565,315.70
  5. Step 5: Solve for x
    x = 23,565,315.70/5,578.82
  6. Step 6: Final answer
    x = 4,224.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.