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Finding the Fourth Proportional to 6,656.36, 9,986.38 and 2,908.46

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Solution

The fourth proportional to 6,656.36, 9,986.38 and 2,908.46 is: 4,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.36 : 9,986.38 = 2,908.46 : x
  2. Step 2: Convert to fraction form
    6,656.36/9,986.38 = 2,908.46/x
  3. Step 3: Cross multiply
    6,656.36x = 9,986.38 × 2,908.46
  4. Step 4: Simplify right side
    6,656.36x = 29,044,986.77
  5. Step 5: Solve for x
    x = 29,044,986.77/6,656.36
  6. Step 6: Final answer
    x = 4,363.49

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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.