Home / 6,657.68-9,984.80-1,976.58

Finding the Fourth Proportional to 6,657.68, 9,984.80 and 1,976.58

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Solution

The fourth proportional to 6,657.68, 9,984.80 and 1,976.58 is: 2,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.68 : 9,984.80 = 1,976.58 : x
  2. Step 2: Convert to fraction form
    6,657.68/9,984.80 = 1,976.58/x
  3. Step 3: Cross multiply
    6,657.68x = 9,984.80 × 1,976.58
  4. Step 4: Simplify right side
    6,657.68x = 19,735,755.98
  5. Step 5: Solve for x
    x = 19,735,755.98/6,657.68
  6. Step 6: Final answer
    x = 2,964.36

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Similar ratio
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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.