Home / 7,869.22-11,803.46-2,938.48

Finding the Fourth Proportional to 7,869.22, 11,803.46 and 2,938.48

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Solution

The fourth proportional to 7,869.22, 11,803.46 and 2,938.48 is: 4,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.22 : 11,803.46 = 2,938.48 : x
  2. Step 2: Convert to fraction form
    7,869.22/11,803.46 = 2,938.48/x
  3. Step 3: Cross multiply
    7,869.22x = 11,803.46 × 2,938.48
  4. Step 4: Simplify right side
    7,869.22x = 34,684,186.94
  5. Step 5: Solve for x
    x = 34,684,186.94/7,869.22
  6. Step 6: Final answer
    x = 4,407.58

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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.