Home / 4,286.02-6,426.25-2,820.72

Finding the Fourth Proportional to 4,286.02, 6,426.25 and 2,820.72

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Solution

The fourth proportional to 4,286.02, 6,426.25 and 2,820.72 is: 4,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.02 : 6,426.25 = 2,820.72 : x
  2. Step 2: Convert to fraction form
    4,286.02/6,426.25 = 2,820.72/x
  3. Step 3: Cross multiply
    4,286.02x = 6,426.25 × 2,820.72
  4. Step 4: Simplify right side
    4,286.02x = 18,126,651.90
  5. Step 5: Solve for x
    x = 18,126,651.90/4,286.02
  6. Step 6: Final answer
    x = 4,229.25

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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.