Home / 8,908.49-13,362.68-3,642.38

Finding the Fourth Proportional to 8,908.49, 13,362.68 and 3,642.38

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Solution

The fourth proportional to 8,908.49, 13,362.68 and 3,642.38 is: 5,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.49 : 13,362.68 = 3,642.38 : x
  2. Step 2: Convert to fraction form
    8,908.49/13,362.68 = 3,642.38/x
  3. Step 3: Cross multiply
    8,908.49x = 13,362.68 × 3,642.38
  4. Step 4: Simplify right side
    8,908.49x = 48,671,873.35
  5. Step 5: Solve for x
    x = 48,671,873.35/8,908.49
  6. Step 6: Final answer
    x = 5,463.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.