Home / 5,277.48-7,916.07-2,156.61

Finding the Fourth Proportional to 5,277.48, 7,916.07 and 2,156.61

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Solution

The fourth proportional to 5,277.48, 7,916.07 and 2,156.61 is: 3,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.48 : 7,916.07 = 2,156.61 : x
  2. Step 2: Convert to fraction form
    5,277.48/7,916.07 = 2,156.61/x
  3. Step 3: Cross multiply
    5,277.48x = 7,916.07 × 2,156.61
  4. Step 4: Simplify right side
    5,277.48x = 17,071,875.72
  5. Step 5: Solve for x
    x = 17,071,875.72/5,277.48
  6. Step 6: Final answer
    x = 3,234.85

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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.