Home / 5,570.73-8,354.40-1,872.15

Finding the Fourth Proportional to 5,570.73, 8,354.40 and 1,872.15

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Solution

The fourth proportional to 5,570.73, 8,354.40 and 1,872.15 is: 2,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.73 : 8,354.40 = 1,872.15 : x
  2. Step 2: Convert to fraction form
    5,570.73/8,354.40 = 1,872.15/x
  3. Step 3: Cross multiply
    5,570.73x = 8,354.40 × 1,872.15
  4. Step 4: Simplify right side
    5,570.73x = 15,640,689.96
  5. Step 5: Solve for x
    x = 15,640,689.96/5,570.73
  6. Step 6: Final answer
    x = 2,807.66

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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.