Home / 6,246.40-9,382.60-5,274.40

Finding the Fourth Proportional to 6,246.40, 9,382.60 and 5,274.40

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Solution

The fourth proportional to 6,246.40, 9,382.60 and 5,274.40 is: 7,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.40 : 9,382.60 = 5,274.40 : x
  2. Step 2: Convert to fraction form
    6,246.40/9,382.60 = 5,274.40/x
  3. Step 3: Cross multiply
    6,246.40x = 9,382.60 × 5,274.40
  4. Step 4: Simplify right side
    6,246.40x = 49,487,585.44
  5. Step 5: Solve for x
    x = 49,487,585.44/6,246.40
  6. Step 6: Final answer
    x = 7,922.58

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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.