Home / 7,944.24-11,916.63-3,787.32

Finding the Fourth Proportional to 7,944.24, 11,916.63 and 3,787.32

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Solution

The fourth proportional to 7,944.24, 11,916.63 and 3,787.32 is: 5,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.24 : 11,916.63 = 3,787.32 : x
  2. Step 2: Convert to fraction form
    7,944.24/11,916.63 = 3,787.32/x
  3. Step 3: Cross multiply
    7,944.24x = 11,916.63 × 3,787.32
  4. Step 4: Simplify right side
    7,944.24x = 45,132,091.13
  5. Step 5: Solve for x
    x = 45,132,091.13/7,944.24
  6. Step 6: Final answer
    x = 5,681.11

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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.