Home / 7,000.20-10,500.30-2,617.43

Finding the Fourth Proportional to 7,000.20, 10,500.30 and 2,617.43

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Solution

The fourth proportional to 7,000.20, 10,500.30 and 2,617.43 is: 3,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.20 : 10,500.30 = 2,617.43 : x
  2. Step 2: Convert to fraction form
    7,000.20/10,500.30 = 2,617.43/x
  3. Step 3: Cross multiply
    7,000.20x = 10,500.30 × 2,617.43
  4. Step 4: Simplify right side
    7,000.20x = 27,483,747.73
  5. Step 5: Solve for x
    x = 27,483,747.73/7,000.20
  6. Step 6: Final answer
    x = 3,926.14

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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.