Home / 8,394.24-12,590.46-2,847.42

Finding the Fourth Proportional to 8,394.24, 12,590.46 and 2,847.42

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Solution

The fourth proportional to 8,394.24, 12,590.46 and 2,847.42 is: 4,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.24 : 12,590.46 = 2,847.42 : x
  2. Step 2: Convert to fraction form
    8,394.24/12,590.46 = 2,847.42/x
  3. Step 3: Cross multiply
    8,394.24x = 12,590.46 × 2,847.42
  4. Step 4: Simplify right side
    8,394.24x = 35,850,327.61
  5. Step 5: Solve for x
    x = 35,850,327.61/8,394.24
  6. Step 6: Final answer
    x = 4,270.82

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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.