Home / 5,277.92-7,916.88-1,382.36

Finding the Fourth Proportional to 5,277.92, 7,916.88 and 1,382.36

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Solution

The fourth proportional to 5,277.92, 7,916.88 and 1,382.36 is: 2,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.92 : 7,916.88 = 1,382.36 : x
  2. Step 2: Convert to fraction form
    5,277.92/7,916.88 = 1,382.36/x
  3. Step 3: Cross multiply
    5,277.92x = 7,916.88 × 1,382.36
  4. Step 4: Simplify right side
    5,277.92x = 10,943,978.24
  5. Step 5: Solve for x
    x = 10,943,978.24/5,277.92
  6. Step 6: Final answer
    x = 2,073.54

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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.