Home / 8,241.90-12,350.70-7,002.60

Finding the Fourth Proportional to 8,241.90, 12,350.70 and 7,002.60

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Solution

The fourth proportional to 8,241.90, 12,350.70 and 7,002.60 is: 10,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.90 : 12,350.70 = 7,002.60 : x
  2. Step 2: Convert to fraction form
    8,241.90/12,350.70 = 7,002.60/x
  3. Step 3: Cross multiply
    8,241.90x = 12,350.70 × 7,002.60
  4. Step 4: Simplify right side
    8,241.90x = 86,487,011.82
  5. Step 5: Solve for x
    x = 86,487,011.82/8,241.90
  6. Step 6: Final answer
    x = 10,493.58

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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.