Home / 6,213.92-9,320.88-1,831.52

Finding the Fourth Proportional to 6,213.92, 9,320.88 and 1,831.52

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Solution

The fourth proportional to 6,213.92, 9,320.88 and 1,831.52 is: 2,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.92 : 9,320.88 = 1,831.52 : x
  2. Step 2: Convert to fraction form
    6,213.92/9,320.88 = 1,831.52/x
  3. Step 3: Cross multiply
    6,213.92x = 9,320.88 × 1,831.52
  4. Step 4: Simplify right side
    6,213.92x = 17,071,378.14
  5. Step 5: Solve for x
    x = 17,071,378.14/6,213.92
  6. Step 6: Final answer
    x = 2,747.28

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Similar ratio
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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.