Home / 7,974.42-11,938.20-5,594.22

Finding the Fourth Proportional to 7,974.42, 11,938.20 and 5,594.22

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Solution

The fourth proportional to 7,974.42, 11,938.20 and 5,594.22 is: 8,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.42 : 11,938.20 = 5,594.22 : x
  2. Step 2: Convert to fraction form
    7,974.42/11,938.20 = 5,594.22/x
  3. Step 3: Cross multiply
    7,974.42x = 11,938.20 × 5,594.22
  4. Step 4: Simplify right side
    7,974.42x = 66,784,917.20
  5. Step 5: Solve for x
    x = 66,784,917.20/7,974.42
  6. Step 6: Final answer
    x = 8,374.89

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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.