Home / 7,929.18-11,877.61-3,756.54

Finding the Fourth Proportional to 7,929.18, 11,877.61 and 3,756.54

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Solution

The fourth proportional to 7,929.18, 11,877.61 and 3,756.54 is: 5,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.18 : 11,877.61 = 3,756.54 : x
  2. Step 2: Convert to fraction form
    7,929.18/11,877.61 = 3,756.54/x
  3. Step 3: Cross multiply
    7,929.18x = 11,877.61 × 3,756.54
  4. Step 4: Simplify right side
    7,929.18x = 44,618,717.07
  5. Step 5: Solve for x
    x = 44,618,717.07/7,929.18
  6. Step 6: Final answer
    x = 5,627.15

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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.