Home / 5,578.70-7,698.30-3,060.92

Finding the Fourth Proportional to 5,578.70, 7,698.30 and 3,060.92

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Solution

The fourth proportional to 5,578.70, 7,698.30 and 3,060.92 is: 4,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.70 : 7,698.30 = 3,060.92 : x
  2. Step 2: Convert to fraction form
    5,578.70/7,698.30 = 3,060.92/x
  3. Step 3: Cross multiply
    5,578.70x = 7,698.30 × 3,060.92
  4. Step 4: Simplify right side
    5,578.70x = 23,563,880.44
  5. Step 5: Solve for x
    x = 23,563,880.44/5,578.70
  6. Step 6: Final answer
    x = 4,223.90

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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.