Home / 5,590.66-8,380.95-2,125.42

Finding the Fourth Proportional to 5,590.66, 8,380.95 and 2,125.42

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Solution

The fourth proportional to 5,590.66, 8,380.95 and 2,125.42 is: 3,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.66 : 8,380.95 = 2,125.42 : x
  2. Step 2: Convert to fraction form
    5,590.66/8,380.95 = 2,125.42/x
  3. Step 3: Cross multiply
    5,590.66x = 8,380.95 × 2,125.42
  4. Step 4: Simplify right side
    5,590.66x = 17,813,038.75
  5. Step 5: Solve for x
    x = 17,813,038.75/5,590.66
  6. Step 6: Final answer
    x = 3,186.21

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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.