Home / 5,464.80-8,198.55-1,569.20

Finding the Fourth Proportional to 5,464.80, 8,198.55 and 1,569.20

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Solution

The fourth proportional to 5,464.80, 8,198.55 and 1,569.20 is: 2,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.80 : 8,198.55 = 1,569.20 : x
  2. Step 2: Convert to fraction form
    5,464.80/8,198.55 = 1,569.20/x
  3. Step 3: Cross multiply
    5,464.80x = 8,198.55 × 1,569.20
  4. Step 4: Simplify right side
    5,464.80x = 12,865,123.67
  5. Step 5: Solve for x
    x = 12,865,123.67/5,464.80
  6. Step 6: Final answer
    x = 2,354.18

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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.