Home / 6,656.45-9,982.80-1,976.27

Finding the Fourth Proportional to 6,656.45, 9,982.80 and 1,976.27

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Solution

The fourth proportional to 6,656.45, 9,982.80 and 1,976.27 is: 2,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.45 : 9,982.80 = 1,976.27 : x
  2. Step 2: Convert to fraction form
    6,656.45/9,982.80 = 1,976.27/x
  3. Step 3: Cross multiply
    6,656.45x = 9,982.80 × 1,976.27
  4. Step 4: Simplify right side
    6,656.45x = 19,728,658.24
  5. Step 5: Solve for x
    x = 19,728,658.24/6,656.45
  6. Step 6: Final answer
    x = 2,963.84

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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.