Home / 5,366.60-8,049.90-3,398.30

Finding the Fourth Proportional to 5,366.60, 8,049.90 and 3,398.30

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Solution

The fourth proportional to 5,366.60, 8,049.90 and 3,398.30 is: 5,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.60 : 8,049.90 = 3,398.30 : x
  2. Step 2: Convert to fraction form
    5,366.60/8,049.90 = 3,398.30/x
  3. Step 3: Cross multiply
    5,366.60x = 8,049.90 × 3,398.30
  4. Step 4: Simplify right side
    5,366.60x = 27,355,975.17
  5. Step 5: Solve for x
    x = 27,355,975.17/5,366.60
  6. Step 6: Final answer
    x = 5,097.45

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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.