Home / 6,331.68-8,736.80-3,974.58

Finding the Fourth Proportional to 6,331.68, 8,736.80 and 3,974.58

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Solution

The fourth proportional to 6,331.68, 8,736.80 and 3,974.58 is: 5,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.68 : 8,736.80 = 3,974.58 : x
  2. Step 2: Convert to fraction form
    6,331.68/8,736.80 = 3,974.58/x
  3. Step 3: Cross multiply
    6,331.68x = 8,736.80 × 3,974.58
  4. Step 4: Simplify right side
    6,331.68x = 34,725,090.67
  5. Step 5: Solve for x
    x = 34,725,090.67/6,331.68
  6. Step 6: Final answer
    x = 5,484.34

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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.