Home / 7,488.78-11,233.45-1,941.98

Finding the Fourth Proportional to 7,488.78, 11,233.45 and 1,941.98

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Solution

The fourth proportional to 7,488.78, 11,233.45 and 1,941.98 is: 2,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.78 : 11,233.45 = 1,941.98 : x
  2. Step 2: Convert to fraction form
    7,488.78/11,233.45 = 1,941.98/x
  3. Step 3: Cross multiply
    7,488.78x = 11,233.45 × 1,941.98
  4. Step 4: Simplify right side
    7,488.78x = 21,815,081.49
  5. Step 5: Solve for x
    x = 21,815,081.49/7,488.78
  6. Step 6: Final answer
    x = 2,913.04

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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.