Home / 6,656.49-9,988.18-2,961.27

Finding the Fourth Proportional to 6,656.49, 9,988.18 and 2,961.27

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Solution

The fourth proportional to 6,656.49, 9,988.18 and 2,961.27 is: 4,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.49 : 9,988.18 = 2,961.27 : x
  2. Step 2: Convert to fraction form
    6,656.49/9,988.18 = 2,961.27/x
  3. Step 3: Cross multiply
    6,656.49x = 9,988.18 × 2,961.27
  4. Step 4: Simplify right side
    6,656.49x = 29,577,690.39
  5. Step 5: Solve for x
    x = 29,577,690.39/6,656.49
  6. Step 6: Final answer
    x = 4,443.44

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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.