Home / 7,863.18-11,784.29-5,088.42

Finding the Fourth Proportional to 7,863.18, 11,784.29 and 5,088.42

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Solution

The fourth proportional to 7,863.18, 11,784.29 and 5,088.42 is: 7,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.18 : 11,784.29 = 5,088.42 : x
  2. Step 2: Convert to fraction form
    7,863.18/11,784.29 = 5,088.42/x
  3. Step 3: Cross multiply
    7,863.18x = 11,784.29 × 5,088.42
  4. Step 4: Simplify right side
    7,863.18x = 59,963,391.48
  5. Step 5: Solve for x
    x = 59,963,391.48/7,863.18
  6. Step 6: Final answer
    x = 7,625.85

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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.