Home / 8,860.61-13,293.64-3,314.51

Finding the Fourth Proportional to 8,860.61, 13,293.64 and 3,314.51

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Solution

The fourth proportional to 8,860.61, 13,293.64 and 3,314.51 is: 4,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.61 : 13,293.64 = 3,314.51 : x
  2. Step 2: Convert to fraction form
    8,860.61/13,293.64 = 3,314.51/x
  3. Step 3: Cross multiply
    8,860.61x = 13,293.64 × 3,314.51
  4. Step 4: Simplify right side
    8,860.61x = 44,061,902.72
  5. Step 5: Solve for x
    x = 44,061,902.72/8,860.61
  6. Step 6: Final answer
    x = 4,972.79

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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.