Home / 5,570.41-8,356.05-1,872.61

Finding the Fourth Proportional to 5,570.41, 8,356.05 and 1,872.61

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Solution

The fourth proportional to 5,570.41, 8,356.05 and 1,872.61 is: 2,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.41 : 8,356.05 = 1,872.61 : x
  2. Step 2: Convert to fraction form
    5,570.41/8,356.05 = 1,872.61/x
  3. Step 3: Cross multiply
    5,570.41x = 8,356.05 × 1,872.61
  4. Step 4: Simplify right side
    5,570.41x = 15,647,622.79
  5. Step 5: Solve for x
    x = 15,647,622.79/5,570.41
  6. Step 6: Final answer
    x = 2,809.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.