Home / 6,358.72-9,540.82-3,439.08

Finding the Fourth Proportional to 6,358.72, 9,540.82 and 3,439.08

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Solution

The fourth proportional to 6,358.72, 9,540.82 and 3,439.08 is: 5,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.72 : 9,540.82 = 3,439.08 : x
  2. Step 2: Convert to fraction form
    6,358.72/9,540.82 = 3,439.08/x
  3. Step 3: Cross multiply
    6,358.72x = 9,540.82 × 3,439.08
  4. Step 4: Simplify right side
    6,358.72x = 32,811,643.25
  5. Step 5: Solve for x
    x = 32,811,643.25/6,358.72
  6. Step 6: Final answer
    x = 5,160.10

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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.