Home / 6,342.43-8,749.87-4,247.23

Finding the Fourth Proportional to 6,342.43, 8,749.87 and 4,247.23

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Solution

The fourth proportional to 6,342.43, 8,749.87 and 4,247.23 is: 5,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.43 : 8,749.87 = 4,247.23 : x
  2. Step 2: Convert to fraction form
    6,342.43/8,749.87 = 4,247.23/x
  3. Step 3: Cross multiply
    6,342.43x = 8,749.87 × 4,247.23
  4. Step 4: Simplify right side
    6,342.43x = 37,162,710.36
  5. Step 5: Solve for x
    x = 37,162,710.36/6,342.43
  6. Step 6: Final answer
    x = 5,859.38

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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.