Home / 6,920.16-10,383.28-3,632.48

Finding the Fourth Proportional to 6,920.16, 10,383.28 and 3,632.48

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Solution

The fourth proportional to 6,920.16, 10,383.28 and 3,632.48 is: 5,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.16 : 10,383.28 = 3,632.48 : x
  2. Step 2: Convert to fraction form
    6,920.16/10,383.28 = 3,632.48/x
  3. Step 3: Cross multiply
    6,920.16x = 10,383.28 × 3,632.48
  4. Step 4: Simplify right side
    6,920.16x = 37,717,073.57
  5. Step 5: Solve for x
    x = 37,717,073.57/6,920.16
  6. Step 6: Final answer
    x = 5,450.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.