Home / 4,221.28-6,322.51-2,984.95

Finding the Fourth Proportional to 4,221.28, 6,322.51 and 2,984.95

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Solution

The fourth proportional to 4,221.28, 6,322.51 and 2,984.95 is: 4,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.28 : 6,322.51 = 2,984.95 : x
  2. Step 2: Convert to fraction form
    4,221.28/6,322.51 = 2,984.95/x
  3. Step 3: Cross multiply
    4,221.28x = 6,322.51 × 2,984.95
  4. Step 4: Simplify right side
    4,221.28x = 18,872,376.22
  5. Step 5: Solve for x
    x = 18,872,376.22/4,221.28
  6. Step 6: Final answer
    x = 4,470.77

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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.