Home / 7,278.37-10,916.94-2,894.65

Finding the Fourth Proportional to 7,278.37, 10,916.94 and 2,894.65

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Solution

The fourth proportional to 7,278.37, 10,916.94 and 2,894.65 is: 4,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.37 : 10,916.94 = 2,894.65 : x
  2. Step 2: Convert to fraction form
    7,278.37/10,916.94 = 2,894.65/x
  3. Step 3: Cross multiply
    7,278.37x = 10,916.94 × 2,894.65
  4. Step 4: Simplify right side
    7,278.37x = 31,600,720.37
  5. Step 5: Solve for x
    x = 31,600,720.37/7,278.37
  6. Step 6: Final answer
    x = 4,341.73

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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.