Home / 5,578.32-7,698.01-3,220.41

Finding the Fourth Proportional to 5,578.32, 7,698.01 and 3,220.41

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Solution

The fourth proportional to 5,578.32, 7,698.01 and 3,220.41 is: 4,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.32 : 7,698.01 = 3,220.41 : x
  2. Step 2: Convert to fraction form
    5,578.32/7,698.01 = 3,220.41/x
  3. Step 3: Cross multiply
    5,578.32x = 7,698.01 × 3,220.41
  4. Step 4: Simplify right side
    5,578.32x = 24,790,709.89
  5. Step 5: Solve for x
    x = 24,790,709.89/5,578.32
  6. Step 6: Final answer
    x = 4,444.12

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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.