Home / 7,881.54-11,823.89-2,334.75

Finding the Fourth Proportional to 7,881.54, 11,823.89 and 2,334.75

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Solution

The fourth proportional to 7,881.54, 11,823.89 and 2,334.75 is: 3,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.54 : 11,823.89 = 2,334.75 : x
  2. Step 2: Convert to fraction form
    7,881.54/11,823.89 = 2,334.75/x
  3. Step 3: Cross multiply
    7,881.54x = 11,823.89 × 2,334.75
  4. Step 4: Simplify right side
    7,881.54x = 27,605,827.18
  5. Step 5: Solve for x
    x = 27,605,827.18/7,881.54
  6. Step 6: Final answer
    x = 3,502.59

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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.