Home / 7,630.66-11,436.74-3,238.89

Finding the Fourth Proportional to 7,630.66, 11,436.74 and 3,238.89

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Solution

The fourth proportional to 7,630.66, 11,436.74 and 3,238.89 is: 4,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.66 : 11,436.74 = 3,238.89 : x
  2. Step 2: Convert to fraction form
    7,630.66/11,436.74 = 3,238.89/x
  3. Step 3: Cross multiply
    7,630.66x = 11,436.74 × 3,238.89
  4. Step 4: Simplify right side
    7,630.66x = 37,042,342.82
  5. Step 5: Solve for x
    x = 37,042,342.82/7,630.66
  6. Step 6: Final answer
    x = 4,854.41

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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.