Home / 6,871.99-10,309.20-2,193.02

Finding the Fourth Proportional to 6,871.99, 10,309.20 and 2,193.02

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Solution

The fourth proportional to 6,871.99, 10,309.20 and 2,193.02 is: 3,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.99 : 10,309.20 = 2,193.02 : x
  2. Step 2: Convert to fraction form
    6,871.99/10,309.20 = 2,193.02/x
  3. Step 3: Cross multiply
    6,871.99x = 10,309.20 × 2,193.02
  4. Step 4: Simplify right side
    6,871.99x = 22,608,281.78
  5. Step 5: Solve for x
    x = 22,608,281.78/6,871.99
  6. Step 6: Final answer
    x = 3,289.92

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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.