Home / 6,393.92-9,581.56-2,831.74

Finding the Fourth Proportional to 6,393.92, 9,581.56 and 2,831.74

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Solution

The fourth proportional to 6,393.92, 9,581.56 and 2,831.74 is: 4,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.92 : 9,581.56 = 2,831.74 : x
  2. Step 2: Convert to fraction form
    6,393.92/9,581.56 = 2,831.74/x
  3. Step 3: Cross multiply
    6,393.92x = 9,581.56 × 2,831.74
  4. Step 4: Simplify right side
    6,393.92x = 27,132,486.71
  5. Step 5: Solve for x
    x = 27,132,486.71/6,393.92
  6. Step 6: Final answer
    x = 4,243.48

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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.