Home / 7,944.16-11,916.32-2,397.55

Finding the Fourth Proportional to 7,944.16, 11,916.32 and 2,397.55

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Solution

The fourth proportional to 7,944.16, 11,916.32 and 2,397.55 is: 3,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.16 : 11,916.32 = 2,397.55 : x
  2. Step 2: Convert to fraction form
    7,944.16/11,916.32 = 2,397.55/x
  3. Step 3: Cross multiply
    7,944.16x = 11,916.32 × 2,397.55
  4. Step 4: Simplify right side
    7,944.16x = 28,569,920.07
  5. Step 5: Solve for x
    x = 28,569,920.07/7,944.16
  6. Step 6: Final answer
    x = 3,596.34

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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.