Home / 7,904.90-11,787.94-7,266.62

Finding the Fourth Proportional to 7,904.90, 11,787.94 and 7,266.62

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Solution

The fourth proportional to 7,904.90, 11,787.94 and 7,266.62 is: 10,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.90 : 11,787.94 = 7,266.62 : x
  2. Step 2: Convert to fraction form
    7,904.90/11,787.94 = 7,266.62/x
  3. Step 3: Cross multiply
    7,904.90x = 11,787.94 × 7,266.62
  4. Step 4: Simplify right side
    7,904.90x = 85,658,480.56
  5. Step 5: Solve for x
    x = 85,658,480.56/7,904.90
  6. Step 6: Final answer
    x = 10,836.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.