Home / 6,982.30-10,469.65-2,820.19

Finding the Fourth Proportional to 6,982.30, 10,469.65 and 2,820.19

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Solution

The fourth proportional to 6,982.30, 10,469.65 and 2,820.19 is: 4,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.30 : 10,469.65 = 2,820.19 : x
  2. Step 2: Convert to fraction form
    6,982.30/10,469.65 = 2,820.19/x
  3. Step 3: Cross multiply
    6,982.30x = 10,469.65 × 2,820.19
  4. Step 4: Simplify right side
    6,982.30x = 29,526,402.23
  5. Step 5: Solve for x
    x = 29,526,402.23/6,982.30
  6. Step 6: Final answer
    x = 4,228.75

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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.