Home / 8,881.21-13,318.53-3,036.25

Finding the Fourth Proportional to 8,881.21, 13,318.53 and 3,036.25

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Solution

The fourth proportional to 8,881.21, 13,318.53 and 3,036.25 is: 4,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.21 : 13,318.53 = 3,036.25 : x
  2. Step 2: Convert to fraction form
    8,881.21/13,318.53 = 3,036.25/x
  3. Step 3: Cross multiply
    8,881.21x = 13,318.53 × 3,036.25
  4. Step 4: Simplify right side
    8,881.21x = 40,438,386.71
  5. Step 5: Solve for x
    x = 40,438,386.71/8,881.21
  6. Step 6: Final answer
    x = 4,553.25

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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.