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Finding the Fourth Proportional to 6,653.77, 9,982.96 and 2,958.59

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Solution

The fourth proportional to 6,653.77, 9,982.96 and 2,958.59 is: 4,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.77 : 9,982.96 = 2,958.59 : x
  2. Step 2: Convert to fraction form
    6,653.77/9,982.96 = 2,958.59/x
  3. Step 3: Cross multiply
    6,653.77x = 9,982.96 × 2,958.59
  4. Step 4: Simplify right side
    6,653.77x = 29,535,503.19
  5. Step 5: Solve for x
    x = 29,535,503.19/6,653.77
  6. Step 6: Final answer
    x = 4,438.91

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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.