Home / 6,418.68-8,857.98-3,624.36

Finding the Fourth Proportional to 6,418.68, 8,857.98 and 3,624.36

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Solution

The fourth proportional to 6,418.68, 8,857.98 and 3,624.36 is: 5,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.68 : 8,857.98 = 3,624.36 : x
  2. Step 2: Convert to fraction form
    6,418.68/8,857.98 = 3,624.36/x
  3. Step 3: Cross multiply
    6,418.68x = 8,857.98 × 3,624.36
  4. Step 4: Simplify right side
    6,418.68x = 32,104,508.39
  5. Step 5: Solve for x
    x = 32,104,508.39/6,418.68
  6. Step 6: Final answer
    x = 5,001.73

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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.