Home / 6,865.33-9,474.12-3,721.51

Finding the Fourth Proportional to 6,865.33, 9,474.12 and 3,721.51

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Solution

The fourth proportional to 6,865.33, 9,474.12 and 3,721.51 is: 5,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.33 : 9,474.12 = 3,721.51 : x
  2. Step 2: Convert to fraction form
    6,865.33/9,474.12 = 3,721.51/x
  3. Step 3: Cross multiply
    6,865.33x = 9,474.12 × 3,721.51
  4. Step 4: Simplify right side
    6,865.33x = 35,258,032.32
  5. Step 5: Solve for x
    x = 35,258,032.32/6,865.33
  6. Step 6: Final answer
    x = 5,135.66

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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.