Home / 5,621.10-8,425.08-4,229.98

Finding the Fourth Proportional to 5,621.10, 8,425.08 and 4,229.98

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Solution

The fourth proportional to 5,621.10, 8,425.08 and 4,229.98 is: 6,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.10 : 8,425.08 = 4,229.98 : x
  2. Step 2: Convert to fraction form
    5,621.10/8,425.08 = 4,229.98/x
  3. Step 3: Cross multiply
    5,621.10x = 8,425.08 × 4,229.98
  4. Step 4: Simplify right side
    5,621.10x = 35,637,919.90
  5. Step 5: Solve for x
    x = 35,637,919.90/5,621.10
  6. Step 6: Final answer
    x = 6,340.03

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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.