Home / 8,448.70-12,669.84-3,381.34

Finding the Fourth Proportional to 8,448.70, 12,669.84 and 3,381.34

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Solution

The fourth proportional to 8,448.70, 12,669.84 and 3,381.34 is: 5,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.70 : 12,669.84 = 3,381.34 : x
  2. Step 2: Convert to fraction form
    8,448.70/12,669.84 = 3,381.34/x
  3. Step 3: Cross multiply
    8,448.70x = 12,669.84 × 3,381.34
  4. Step 4: Simplify right side
    8,448.70x = 42,841,036.79
  5. Step 5: Solve for x
    x = 42,841,036.79/8,448.70
  6. Step 6: Final answer
    x = 5,070.73

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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.