Home / 6,339.25-8,749.38-4,247.02

Finding the Fourth Proportional to 6,339.25, 8,749.38 and 4,247.02

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Solution

The fourth proportional to 6,339.25, 8,749.38 and 4,247.02 is: 5,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.25 : 8,749.38 = 4,247.02 : x
  2. Step 2: Convert to fraction form
    6,339.25/8,749.38 = 4,247.02/x
  3. Step 3: Cross multiply
    6,339.25x = 8,749.38 × 4,247.02
  4. Step 4: Simplify right side
    6,339.25x = 37,158,791.85
  5. Step 5: Solve for x
    x = 37,158,791.85/6,339.25
  6. Step 6: Final answer
    x = 5,861.70

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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.