Home / 7,401.52-11,102.40-1,929.52

Finding the Fourth Proportional to 7,401.52, 11,102.40 and 1,929.52

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Solution

The fourth proportional to 7,401.52, 11,102.40 and 1,929.52 is: 2,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.52 : 11,102.40 = 1,929.52 : x
  2. Step 2: Convert to fraction form
    7,401.52/11,102.40 = 1,929.52/x
  3. Step 3: Cross multiply
    7,401.52x = 11,102.40 × 1,929.52
  4. Step 4: Simplify right side
    7,401.52x = 21,422,302.85
  5. Step 5: Solve for x
    x = 21,422,302.85/7,401.52
  6. Step 6: Final answer
    x = 2,894.31

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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.