Home / 4,238.32-6,359.74-3,191.12

Finding the Fourth Proportional to 4,238.32, 6,359.74 and 3,191.12

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Solution

The fourth proportional to 4,238.32, 6,359.74 and 3,191.12 is: 4,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.32 : 6,359.74 = 3,191.12 : x
  2. Step 2: Convert to fraction form
    4,238.32/6,359.74 = 3,191.12/x
  3. Step 3: Cross multiply
    4,238.32x = 6,359.74 × 3,191.12
  4. Step 4: Simplify right side
    4,238.32x = 20,294,701.43
  5. Step 5: Solve for x
    x = 20,294,701.43/4,238.32
  6. Step 6: Final answer
    x = 4,788.39

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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.