Home / 7,045.66-9,721.98-3,901.84

Finding the Fourth Proportional to 7,045.66, 9,721.98 and 3,901.84

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Solution

The fourth proportional to 7,045.66, 9,721.98 and 3,901.84 is: 5,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.66 : 9,721.98 = 3,901.84 : x
  2. Step 2: Convert to fraction form
    7,045.66/9,721.98 = 3,901.84/x
  3. Step 3: Cross multiply
    7,045.66x = 9,721.98 × 3,901.84
  4. Step 4: Simplify right side
    7,045.66x = 37,933,610.44
  5. Step 5: Solve for x
    x = 37,933,610.44/7,045.66
  6. Step 6: Final answer
    x = 5,383.97

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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.