Home / 7,044.70-9,721.56-3,900.82

Finding the Fourth Proportional to 7,044.70, 9,721.56 and 3,900.82

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Solution

The fourth proportional to 7,044.70, 9,721.56 and 3,900.82 is: 5,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.70 : 9,721.56 = 3,900.82 : x
  2. Step 2: Convert to fraction form
    7,044.70/9,721.56 = 3,900.82/x
  3. Step 3: Cross multiply
    7,044.70x = 9,721.56 × 3,900.82
  4. Step 4: Simplify right side
    7,044.70x = 37,922,041.13
  5. Step 5: Solve for x
    x = 37,922,041.13/7,044.70
  6. Step 6: Final answer
    x = 5,383.06

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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.