Home / 6,251.13-8,630.30-3,896.46

Finding the Fourth Proportional to 6,251.13, 8,630.30 and 3,896.46

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Solution

The fourth proportional to 6,251.13, 8,630.30 and 3,896.46 is: 5,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.13 : 8,630.30 = 3,896.46 : x
  2. Step 2: Convert to fraction form
    6,251.13/8,630.30 = 3,896.46/x
  3. Step 3: Cross multiply
    6,251.13x = 8,630.30 × 3,896.46
  4. Step 4: Simplify right side
    6,251.13x = 33,627,628.48
  5. Step 5: Solve for x
    x = 33,627,628.48/6,251.13
  6. Step 6: Final answer
    x = 5,379.45

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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.