Home / 5,311.68-7,330.10-2,953.82

Finding the Fourth Proportional to 5,311.68, 7,330.10 and 2,953.82

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Solution

The fourth proportional to 5,311.68, 7,330.10 and 2,953.82 is: 4,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.68 : 7,330.10 = 2,953.82 : x
  2. Step 2: Convert to fraction form
    5,311.68/7,330.10 = 2,953.82/x
  3. Step 3: Cross multiply
    5,311.68x = 7,330.10 × 2,953.82
  4. Step 4: Simplify right side
    5,311.68x = 21,651,795.98
  5. Step 5: Solve for x
    x = 21,651,795.98/5,311.68
  6. Step 6: Final answer
    x = 4,076.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.