Home / 7,044.63-9,721.44-3,900.81

Finding the Fourth Proportional to 7,044.63, 9,721.44 and 3,900.81

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Solution

The fourth proportional to 7,044.63, 9,721.44 and 3,900.81 is: 5,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.63 : 9,721.44 = 3,900.81 : x
  2. Step 2: Convert to fraction form
    7,044.63/9,721.44 = 3,900.81/x
  3. Step 3: Cross multiply
    7,044.63x = 9,721.44 × 3,900.81
  4. Step 4: Simplify right side
    7,044.63x = 37,921,490.37
  5. Step 5: Solve for x
    x = 37,921,490.37/7,044.63
  6. Step 6: Final answer
    x = 5,383.04

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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.