Home / 6,656.61-9,984.96-1,976.73

Finding the Fourth Proportional to 6,656.61, 9,984.96 and 1,976.73

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Solution

The fourth proportional to 6,656.61, 9,984.96 and 1,976.73 is: 2,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.61 : 9,984.96 = 1,976.73 : x
  2. Step 2: Convert to fraction form
    6,656.61/9,984.96 = 1,976.73/x
  3. Step 3: Cross multiply
    6,656.61x = 9,984.96 × 1,976.73
  4. Step 4: Simplify right side
    6,656.61x = 19,737,569.98
  5. Step 5: Solve for x
    x = 19,737,569.98/6,656.61
  6. Step 6: Final answer
    x = 2,965.11

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Double scale
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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.