Home / 6,639.48-9,960.72-2,256.96

Finding the Fourth Proportional to 6,639.48, 9,960.72 and 2,256.96

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Solution

The fourth proportional to 6,639.48, 9,960.72 and 2,256.96 is: 3,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.48 : 9,960.72 = 2,256.96 : x
  2. Step 2: Convert to fraction form
    6,639.48/9,960.72 = 2,256.96/x
  3. Step 3: Cross multiply
    6,639.48x = 9,960.72 × 2,256.96
  4. Step 4: Simplify right side
    6,639.48x = 22,480,946.61
  5. Step 5: Solve for x
    x = 22,480,946.61/6,639.48
  6. Step 6: Final answer
    x = 3,385.95

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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.