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Finding the Fourth Proportional to 4,831.22, 7,244.10 and 4,418.42

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Solution

The fourth proportional to 4,831.22, 7,244.10 and 4,418.42 is: 6,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.22 : 7,244.10 = 4,418.42 : x
  2. Step 2: Convert to fraction form
    4,831.22/7,244.10 = 4,418.42/x
  3. Step 3: Cross multiply
    4,831.22x = 7,244.10 × 4,418.42
  4. Step 4: Simplify right side
    4,831.22x = 32,007,476.32
  5. Step 5: Solve for x
    x = 32,007,476.32/4,831.22
  6. Step 6: Final answer
    x = 6,625.13

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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.