Home / 6,639.40-9,961.41-2,944.22

Finding the Fourth Proportional to 6,639.40, 9,961.41 and 2,944.22

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Solution

The fourth proportional to 6,639.40, 9,961.41 and 2,944.22 is: 4,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.40 : 9,961.41 = 2,944.22 : x
  2. Step 2: Convert to fraction form
    6,639.40/9,961.41 = 2,944.22/x
  3. Step 3: Cross multiply
    6,639.40x = 9,961.41 × 2,944.22
  4. Step 4: Simplify right side
    6,639.40x = 29,328,582.55
  5. Step 5: Solve for x
    x = 29,328,582.55/6,639.40
  6. Step 6: Final answer
    x = 4,417.35

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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.