Home / 4,328.12-6,486.42-3,223.64

Finding the Fourth Proportional to 4,328.12, 6,486.42 and 3,223.64

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Solution

The fourth proportional to 4,328.12, 6,486.42 and 3,223.64 is: 4,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.12 : 6,486.42 = 3,223.64 : x
  2. Step 2: Convert to fraction form
    4,328.12/6,486.42 = 3,223.64/x
  3. Step 3: Cross multiply
    4,328.12x = 6,486.42 × 3,223.64
  4. Step 4: Simplify right side
    4,328.12x = 20,909,882.97
  5. Step 5: Solve for x
    x = 20,909,882.97/4,328.12
  6. Step 6: Final answer
    x = 4,831.17

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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.