Home / 6,359.06-8,778.58-4,238.12

Finding the Fourth Proportional to 6,359.06, 8,778.58 and 4,238.12

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Solution

The fourth proportional to 6,359.06, 8,778.58 and 4,238.12 is: 5,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.06 : 8,778.58 = 4,238.12 : x
  2. Step 2: Convert to fraction form
    6,359.06/8,778.58 = 4,238.12/x
  3. Step 3: Cross multiply
    6,359.06x = 8,778.58 × 4,238.12
  4. Step 4: Simplify right side
    6,359.06x = 37,204,675.47
  5. Step 5: Solve for x
    x = 37,204,675.47/6,359.06
  6. Step 6: Final answer
    x = 5,850.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.