Home / 7,857.26-11,787.87-2,927.06

Finding the Fourth Proportional to 7,857.26, 11,787.87 and 2,927.06

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Solution

The fourth proportional to 7,857.26, 11,787.87 and 2,927.06 is: 4,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.26 : 11,787.87 = 2,927.06 : x
  2. Step 2: Convert to fraction form
    7,857.26/11,787.87 = 2,927.06/x
  3. Step 3: Cross multiply
    7,857.26x = 11,787.87 × 2,927.06
  4. Step 4: Simplify right side
    7,857.26x = 34,503,802.76
  5. Step 5: Solve for x
    x = 34,503,802.76/7,857.26
  6. Step 6: Final answer
    x = 4,391.33

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1.5x scale

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.