Home / 6,418.63-8,857.70-3,624.13

Finding the Fourth Proportional to 6,418.63, 8,857.70 and 3,624.13

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Solution

The fourth proportional to 6,418.63, 8,857.70 and 3,624.13 is: 5,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.63 : 8,857.70 = 3,624.13 : x
  2. Step 2: Convert to fraction form
    6,418.63/8,857.70 = 3,624.13/x
  3. Step 3: Cross multiply
    6,418.63x = 8,857.70 × 3,624.13
  4. Step 4: Simplify right side
    6,418.63x = 32,101,456.30
  5. Step 5: Solve for x
    x = 32,101,456.30/6,418.63
  6. Step 6: Final answer
    x = 5,001.29

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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.