Home / 6,721.70-9,267.55-5,712.44

Finding the Fourth Proportional to 6,721.70, 9,267.55 and 5,712.44

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Solution

The fourth proportional to 6,721.70, 9,267.55 and 5,712.44 is: 7,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.70 : 9,267.55 = 5,712.44 : x
  2. Step 2: Convert to fraction form
    6,721.70/9,267.55 = 5,712.44/x
  3. Step 3: Cross multiply
    6,721.70x = 9,267.55 × 5,712.44
  4. Step 4: Simplify right side
    6,721.70x = 52,940,262.70
  5. Step 5: Solve for x
    x = 52,940,262.70/6,721.70
  6. Step 6: Final answer
    x = 7,876.03

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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.