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Finding the Fourth Proportional to 6,330.57, 8,736.03 and 3,497.79

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Solution

The fourth proportional to 6,330.57, 8,736.03 and 3,497.79 is: 4,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.57 : 8,736.03 = 3,497.79 : x
  2. Step 2: Convert to fraction form
    6,330.57/8,736.03 = 3,497.79/x
  3. Step 3: Cross multiply
    6,330.57x = 8,736.03 × 3,497.79
  4. Step 4: Simplify right side
    6,330.57x = 30,556,831.13
  5. Step 5: Solve for x
    x = 30,556,831.13/6,330.57
  6. Step 6: Final answer
    x = 4,826.87

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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.