Home / 7,787.79-11,656.65-4,084.83

Finding the Fourth Proportional to 7,787.79, 11,656.65 and 4,084.83

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Solution

The fourth proportional to 7,787.79, 11,656.65 and 4,084.83 is: 6,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.79 : 11,656.65 = 4,084.83 : x
  2. Step 2: Convert to fraction form
    7,787.79/11,656.65 = 4,084.83/x
  3. Step 3: Cross multiply
    7,787.79x = 11,656.65 × 4,084.83
  4. Step 4: Simplify right side
    7,787.79x = 47,615,433.62
  5. Step 5: Solve for x
    x = 47,615,433.62/7,787.79
  6. Step 6: Final answer
    x = 6,114.11

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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.