Home / 5,487.16-8,228.70-3,404.08

Finding the Fourth Proportional to 5,487.16, 8,228.70 and 3,404.08

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Solution

The fourth proportional to 5,487.16, 8,228.70 and 3,404.08 is: 5,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.16 : 8,228.70 = 3,404.08 : x
  2. Step 2: Convert to fraction form
    5,487.16/8,228.70 = 3,404.08/x
  3. Step 3: Cross multiply
    5,487.16x = 8,228.70 × 3,404.08
  4. Step 4: Simplify right side
    5,487.16x = 28,011,153.10
  5. Step 5: Solve for x
    x = 28,011,153.10/5,487.16
  6. Step 6: Final answer
    x = 5,104.85

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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.