Home / 8,878.04-13,318.49-3,331.81

Finding the Fourth Proportional to 8,878.04, 13,318.49 and 3,331.81

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Solution

The fourth proportional to 8,878.04, 13,318.49 and 3,331.81 is: 4,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.04 : 13,318.49 = 3,331.81 : x
  2. Step 2: Convert to fraction form
    8,878.04/13,318.49 = 3,331.81/x
  3. Step 3: Cross multiply
    8,878.04x = 13,318.49 × 3,331.81
  4. Step 4: Simplify right side
    8,878.04x = 44,374,678.17
  5. Step 5: Solve for x
    x = 44,374,678.17/8,878.04
  6. Step 6: Final answer
    x = 4,998.25

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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.