Home / 7,444.80-10,272.48-4,791.68

Finding the Fourth Proportional to 7,444.80, 10,272.48 and 4,791.68

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Solution

The fourth proportional to 7,444.80, 10,272.48 and 4,791.68 is: 6,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.80 : 10,272.48 = 4,791.68 : x
  2. Step 2: Convert to fraction form
    7,444.80/10,272.48 = 4,791.68/x
  3. Step 3: Cross multiply
    7,444.80x = 10,272.48 × 4,791.68
  4. Step 4: Simplify right side
    7,444.80x = 49,222,436.97
  5. Step 5: Solve for x
    x = 49,222,436.97/7,444.80
  6. Step 6: Final answer
    x = 6,611.65

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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.