Home / 5,250.42-7,881.08-2,330.78

Finding the Fourth Proportional to 5,250.42, 7,881.08 and 2,330.78

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Solution

The fourth proportional to 5,250.42, 7,881.08 and 2,330.78 is: 3,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.42 : 7,881.08 = 2,330.78 : x
  2. Step 2: Convert to fraction form
    5,250.42/7,881.08 = 2,330.78/x
  3. Step 3: Cross multiply
    5,250.42x = 7,881.08 × 2,330.78
  4. Step 4: Simplify right side
    5,250.42x = 18,369,012.58
  5. Step 5: Solve for x
    x = 18,369,012.58/5,250.42
  6. Step 6: Final answer
    x = 3,498.58

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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.