Home / 9,217.20-13,827.92-2,643.44

Finding the Fourth Proportional to 9,217.20, 13,827.92 and 2,643.44

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Solution

The fourth proportional to 9,217.20, 13,827.92 and 2,643.44 is: 3,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.20 : 13,827.92 = 2,643.44 : x
  2. Step 2: Convert to fraction form
    9,217.20/13,827.92 = 2,643.44/x
  3. Step 3: Cross multiply
    9,217.20x = 13,827.92 × 2,643.44
  4. Step 4: Simplify right side
    9,217.20x = 36,553,276.84
  5. Step 5: Solve for x
    x = 36,553,276.84/9,217.20
  6. Step 6: Final answer
    x = 3,965.77

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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.