Home / 7,972.98-11,955.09-6,119.46

Finding the Fourth Proportional to 7,972.98, 11,955.09 and 6,119.46

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Solution

The fourth proportional to 7,972.98, 11,955.09 and 6,119.46 is: 9,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.98 : 11,955.09 = 6,119.46 : x
  2. Step 2: Convert to fraction form
    7,972.98/11,955.09 = 6,119.46/x
  3. Step 3: Cross multiply
    7,972.98x = 11,955.09 × 6,119.46
  4. Step 4: Simplify right side
    7,972.98x = 73,158,695.05
  5. Step 5: Solve for x
    x = 73,158,695.05/7,972.98
  6. Step 6: Final answer
    x = 9,175.83

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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.