Home / 7,044.40-9,721.24-4,060.80

Finding the Fourth Proportional to 7,044.40, 9,721.24 and 4,060.80

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Solution

The fourth proportional to 7,044.40, 9,721.24 and 4,060.80 is: 5,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.40 : 9,721.24 = 4,060.80 : x
  2. Step 2: Convert to fraction form
    7,044.40/9,721.24 = 4,060.80/x
  3. Step 3: Cross multiply
    7,044.40x = 9,721.24 × 4,060.80
  4. Step 4: Simplify right side
    7,044.40x = 39,476,011.39
  5. Step 5: Solve for x
    x = 39,476,011.39/7,044.40
  6. Step 6: Final answer
    x = 5,603.89

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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.