Home / 7,114.32-10,661.76-2,951.64

Finding the Fourth Proportional to 7,114.32, 10,661.76 and 2,951.64

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Solution

The fourth proportional to 7,114.32, 10,661.76 and 2,951.64 is: 4,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.32 : 10,661.76 = 2,951.64 : x
  2. Step 2: Convert to fraction form
    7,114.32/10,661.76 = 2,951.64/x
  3. Step 3: Cross multiply
    7,114.32x = 10,661.76 × 2,951.64
  4. Step 4: Simplify right side
    7,114.32x = 31,469,677.29
  5. Step 5: Solve for x
    x = 31,469,677.29/7,114.32
  6. Step 6: Final answer
    x = 4,423.43

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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.