Home / 6,398.20-9,596.58-4,757.20

Finding the Fourth Proportional to 6,398.20, 9,596.58 and 4,757.20

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Solution

The fourth proportional to 6,398.20, 9,596.58 and 4,757.20 is: 7,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.20 : 9,596.58 = 4,757.20 : x
  2. Step 2: Convert to fraction form
    6,398.20/9,596.58 = 4,757.20/x
  3. Step 3: Cross multiply
    6,398.20x = 9,596.58 × 4,757.20
  4. Step 4: Simplify right side
    6,398.20x = 45,652,850.38
  5. Step 5: Solve for x
    x = 45,652,850.38/6,398.20
  6. Step 6: Final answer
    x = 7,135.26

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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.