Home / 7,929.97-11,897.73-4,965.03

Finding the Fourth Proportional to 7,929.97, 11,897.73 and 4,965.03

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Solution

The fourth proportional to 7,929.97, 11,897.73 and 4,965.03 is: 7,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.97 : 11,897.73 = 4,965.03 : x
  2. Step 2: Convert to fraction form
    7,929.97/11,897.73 = 4,965.03/x
  3. Step 3: Cross multiply
    7,929.97x = 11,897.73 × 4,965.03
  4. Step 4: Simplify right side
    7,929.97x = 59,072,586.38
  5. Step 5: Solve for x
    x = 59,072,586.38/7,929.97
  6. Step 6: Final answer
    x = 7,449.28

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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.