Home / 8,241.39-12,359.68-4,730.80

Finding the Fourth Proportional to 8,241.39, 12,359.68 and 4,730.80

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Solution

The fourth proportional to 8,241.39, 12,359.68 and 4,730.80 is: 7,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.39 : 12,359.68 = 4,730.80 : x
  2. Step 2: Convert to fraction form
    8,241.39/12,359.68 = 4,730.80/x
  3. Step 3: Cross multiply
    8,241.39x = 12,359.68 × 4,730.80
  4. Step 4: Simplify right side
    8,241.39x = 58,471,174.14
  5. Step 5: Solve for x
    x = 58,471,174.14/8,241.39
  6. Step 6: Final answer
    x = 7,094.82

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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.