Home / 8,230.34-12,337.40-3,551.42

Finding the Fourth Proportional to 8,230.34, 12,337.40 and 3,551.42

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Solution

The fourth proportional to 8,230.34, 12,337.40 and 3,551.42 is: 5,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.34 : 12,337.40 = 3,551.42 : x
  2. Step 2: Convert to fraction form
    8,230.34/12,337.40 = 3,551.42/x
  3. Step 3: Cross multiply
    8,230.34x = 12,337.40 × 3,551.42
  4. Step 4: Simplify right side
    8,230.34x = 43,815,289.11
  5. Step 5: Solve for x
    x = 43,815,289.11/8,230.34
  6. Step 6: Final answer
    x = 5,323.63

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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.