Home / 8,144.26-11,239.20-4,787.14

Finding the Fourth Proportional to 8,144.26, 11,239.20 and 4,787.14

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Solution

The fourth proportional to 8,144.26, 11,239.20 and 4,787.14 is: 6,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.26 : 11,239.20 = 4,787.14 : x
  2. Step 2: Convert to fraction form
    8,144.26/11,239.20 = 4,787.14/x
  3. Step 3: Cross multiply
    8,144.26x = 11,239.20 × 4,787.14
  4. Step 4: Simplify right side
    8,144.26x = 53,803,623.89
  5. Step 5: Solve for x
    x = 53,803,623.89/8,144.26
  6. Step 6: Final answer
    x = 6,606.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.