Home / 6,174.60-8,521.62-3,938.52

Finding the Fourth Proportional to 6,174.60, 8,521.62 and 3,938.52

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Solution

The fourth proportional to 6,174.60, 8,521.62 and 3,938.52 is: 5,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.60 : 8,521.62 = 3,938.52 : x
  2. Step 2: Convert to fraction form
    6,174.60/8,521.62 = 3,938.52/x
  3. Step 3: Cross multiply
    6,174.60x = 8,521.62 × 3,938.52
  4. Step 4: Simplify right side
    6,174.60x = 33,562,570.80
  5. Step 5: Solve for x
    x = 33,562,570.80/6,174.60
  6. Step 6: Final answer
    x = 5,435.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.