Home / 5,509.82-8,248.53-3,423.14

Finding the Fourth Proportional to 5,509.82, 8,248.53 and 3,423.14

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Solution

The fourth proportional to 5,509.82, 8,248.53 and 3,423.14 is: 5,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.82 : 8,248.53 = 3,423.14 : x
  2. Step 2: Convert to fraction form
    5,509.82/8,248.53 = 3,423.14/x
  3. Step 3: Cross multiply
    5,509.82x = 8,248.53 × 3,423.14
  4. Step 4: Simplify right side
    5,509.82x = 28,235,872.98
  5. Step 5: Solve for x
    x = 28,235,872.98/5,509.82
  6. Step 6: Final answer
    x = 5,124.65

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1.5x scale

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.