Home / 7,972.11-11,001.75-4,435.56

Finding the Fourth Proportional to 7,972.11, 11,001.75 and 4,435.56

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Solution

The fourth proportional to 7,972.11, 11,001.75 and 4,435.56 is: 6,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.11 : 11,001.75 = 4,435.56 : x
  2. Step 2: Convert to fraction form
    7,972.11/11,001.75 = 4,435.56/x
  3. Step 3: Cross multiply
    7,972.11x = 11,001.75 × 4,435.56
  4. Step 4: Simplify right side
    7,972.11x = 48,798,922.23
  5. Step 5: Solve for x
    x = 48,798,922.23/7,972.11
  6. Step 6: Final answer
    x = 6,121.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.