Home / 6,219.72-8,583.42-3,425.28

Finding the Fourth Proportional to 6,219.72, 8,583.42 and 3,425.28

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Solution

The fourth proportional to 6,219.72, 8,583.42 and 3,425.28 is: 4,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.72 : 8,583.42 = 3,425.28 : x
  2. Step 2: Convert to fraction form
    6,219.72/8,583.42 = 3,425.28/x
  3. Step 3: Cross multiply
    6,219.72x = 8,583.42 × 3,425.28
  4. Step 4: Simplify right side
    6,219.72x = 29,400,616.86
  5. Step 5: Solve for x
    x = 29,400,616.86/6,219.72
  6. Step 6: Final answer
    x = 4,727.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.