Home / 5,570.27-8,355.60-1,872.62

Finding the Fourth Proportional to 5,570.27, 8,355.60 and 1,872.62

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Solution

The fourth proportional to 5,570.27, 8,355.60 and 1,872.62 is: 2,808.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.27 : 8,355.60 = 1,872.62 : x
  2. Step 2: Convert to fraction form
    5,570.27/8,355.60 = 1,872.62/x
  3. Step 3: Cross multiply
    5,570.27x = 8,355.60 × 1,872.62
  4. Step 4: Simplify right side
    5,570.27x = 15,646,821.89
  5. Step 5: Solve for x
    x = 15,646,821.89/5,570.27
  6. Step 6: Final answer
    x = 2,808.99

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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.