Home / 8,161.60-12,246.45-4,654.30

Finding the Fourth Proportional to 8,161.60, 12,246.45 and 4,654.30

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Solution

The fourth proportional to 8,161.60, 12,246.45 and 4,654.30 is: 6,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.60 : 12,246.45 = 4,654.30 : x
  2. Step 2: Convert to fraction form
    8,161.60/12,246.45 = 4,654.30/x
  3. Step 3: Cross multiply
    8,161.60x = 12,246.45 × 4,654.30
  4. Step 4: Simplify right side
    8,161.60x = 56,998,652.24
  5. Step 5: Solve for x
    x = 56,998,652.24/8,161.60
  6. Step 6: Final answer
    x = 6,983.76

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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.