Home / 7,929.70-11,895.12-2,735.50

Finding the Fourth Proportional to 7,929.70, 11,895.12 and 2,735.50

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Solution

The fourth proportional to 7,929.70, 11,895.12 and 2,735.50 is: 4,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.70 : 11,895.12 = 2,735.50 : x
  2. Step 2: Convert to fraction form
    7,929.70/11,895.12 = 2,735.50/x
  3. Step 3: Cross multiply
    7,929.70x = 11,895.12 × 2,735.50
  4. Step 4: Simplify right side
    7,929.70x = 32,539,100.76
  5. Step 5: Solve for x
    x = 32,539,100.76/7,929.70
  6. Step 6: Final answer
    x = 4,103.45

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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.