Home / 6,630.14-9,149.32-3,645.70

Finding the Fourth Proportional to 6,630.14, 9,149.32 and 3,645.70

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Solution

The fourth proportional to 6,630.14, 9,149.32 and 3,645.70 is: 5,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.14 : 9,149.32 = 3,645.70 : x
  2. Step 2: Convert to fraction form
    6,630.14/9,149.32 = 3,645.70/x
  3. Step 3: Cross multiply
    6,630.14x = 9,149.32 × 3,645.70
  4. Step 4: Simplify right side
    6,630.14x = 33,355,675.92
  5. Step 5: Solve for x
    x = 33,355,675.92/6,630.14
  6. Step 6: Final answer
    x = 5,030.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.