Home / 7,340.78-11,013.60-2,957.06

Finding the Fourth Proportional to 7,340.78, 11,013.60 and 2,957.06

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Solution

The fourth proportional to 7,340.78, 11,013.60 and 2,957.06 is: 4,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.78 : 11,013.60 = 2,957.06 : x
  2. Step 2: Convert to fraction form
    7,340.78/11,013.60 = 2,957.06/x
  3. Step 3: Cross multiply
    7,340.78x = 11,013.60 × 2,957.06
  4. Step 4: Simplify right side
    7,340.78x = 32,567,876.02
  5. Step 5: Solve for x
    x = 32,567,876.02/7,340.78
  6. Step 6: Final answer
    x = 4,436.57

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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.