Home / 7,916.36-11,864.23-3,230.87

Finding the Fourth Proportional to 7,916.36, 11,864.23 and 3,230.87

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Solution

The fourth proportional to 7,916.36, 11,864.23 and 3,230.87 is: 4,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.36 : 11,864.23 = 3,230.87 : x
  2. Step 2: Convert to fraction form
    7,916.36/11,864.23 = 3,230.87/x
  3. Step 3: Cross multiply
    7,916.36x = 11,864.23 × 3,230.87
  4. Step 4: Simplify right side
    7,916.36x = 38,331,773.99
  5. Step 5: Solve for x
    x = 38,331,773.99/7,916.36
  6. Step 6: Final answer
    x = 4,842.10

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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.