Home / 7,929.61-11,896.16-2,999.29

Finding the Fourth Proportional to 7,929.61, 11,896.16 and 2,999.29

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Solution

The fourth proportional to 7,929.61, 11,896.16 and 2,999.29 is: 4,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.61 : 11,896.16 = 2,999.29 : x
  2. Step 2: Convert to fraction form
    7,929.61/11,896.16 = 2,999.29/x
  3. Step 3: Cross multiply
    7,929.61x = 11,896.16 × 2,999.29
  4. Step 4: Simplify right side
    7,929.61x = 35,680,033.73
  5. Step 5: Solve for x
    x = 35,680,033.73/7,929.61
  6. Step 6: Final answer
    x = 4,499.60

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1.5x scale

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.