Home / 6,639.38-9,959.40-2,941.64

Finding the Fourth Proportional to 6,639.38, 9,959.40 and 2,941.64

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Solution

The fourth proportional to 6,639.38, 9,959.40 and 2,941.64 is: 4,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.38 : 9,959.40 = 2,941.64 : x
  2. Step 2: Convert to fraction form
    6,639.38/9,959.40 = 2,941.64/x
  3. Step 3: Cross multiply
    6,639.38x = 9,959.40 × 2,941.64
  4. Step 4: Simplify right side
    6,639.38x = 29,296,969.42
  5. Step 5: Solve for x
    x = 29,296,969.42/6,639.38
  6. Step 6: Final answer
    x = 4,412.61

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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.