Home / 6,309.85-9,464.78-3,843.40

Finding the Fourth Proportional to 6,309.85, 9,464.78 and 3,843.40

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Solution

The fourth proportional to 6,309.85, 9,464.78 and 3,843.40 is: 5,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.85 : 9,464.78 = 3,843.40 : x
  2. Step 2: Convert to fraction form
    6,309.85/9,464.78 = 3,843.40/x
  3. Step 3: Cross multiply
    6,309.85x = 9,464.78 × 3,843.40
  4. Step 4: Simplify right side
    6,309.85x = 36,376,916.24
  5. Step 5: Solve for x
    x = 36,376,916.24/6,309.85
  6. Step 6: Final answer
    x = 5,765.10

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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.