Home / 5,618.10-8,420.59-4,226.97

Finding the Fourth Proportional to 5,618.10, 8,420.59 and 4,226.97

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Solution

The fourth proportional to 5,618.10, 8,420.59 and 4,226.97 is: 6,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.10 : 8,420.59 = 4,226.97 : x
  2. Step 2: Convert to fraction form
    5,618.10/8,420.59 = 4,226.97/x
  3. Step 3: Cross multiply
    5,618.10x = 8,420.59 × 4,226.97
  4. Step 4: Simplify right side
    5,618.10x = 35,593,560.18
  5. Step 5: Solve for x
    x = 35,593,560.18/5,618.10
  6. Step 6: Final answer
    x = 6,335.52

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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.