Home / 4,860.32-7,282-3,892.40

Finding the Fourth Proportional to 4,860.32, 7,282 and 3,892.40

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Solution

The fourth proportional to 4,860.32, 7,282 and 3,892.40 is: 5,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.32 : 7,282 = 3,892.40 : x
  2. Step 2: Convert to fraction form
    4,860.32/7,282 = 3,892.40/x
  3. Step 3: Cross multiply
    4,860.32x = 7,282 × 3,892.40
  4. Step 4: Simplify right side
    4,860.32x = 28,344,456.80
  5. Step 5: Solve for x
    x = 28,344,456.80/4,860.32
  6. Step 6: Final answer
    x = 5,831.81

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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.