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Finding the Fourth Proportional to 6,671.70, 10,007.75 and 2,289.09

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Solution

The fourth proportional to 6,671.70, 10,007.75 and 2,289.09 is: 3,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.70 : 10,007.75 = 2,289.09 : x
  2. Step 2: Convert to fraction form
    6,671.70/10,007.75 = 2,289.09/x
  3. Step 3: Cross multiply
    6,671.70x = 10,007.75 × 2,289.09
  4. Step 4: Simplify right side
    6,671.70x = 22,908,640.45
  5. Step 5: Solve for x
    x = 22,908,640.45/6,671.70
  6. Step 6: Final answer
    x = 3,433.70

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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.