Home / 5,624.28-8,418.74-3,858.97

Finding the Fourth Proportional to 5,624.28, 8,418.74 and 3,858.97

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Solution

The fourth proportional to 5,624.28, 8,418.74 and 3,858.97 is: 5,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.28 : 8,418.74 = 3,858.97 : x
  2. Step 2: Convert to fraction form
    5,624.28/8,418.74 = 3,858.97/x
  3. Step 3: Cross multiply
    5,624.28x = 8,418.74 × 3,858.97
  4. Step 4: Simplify right side
    5,624.28x = 32,487,665.10
  5. Step 5: Solve for x
    x = 32,487,665.10/5,624.28
  6. Step 6: Final answer
    x = 5,776.32

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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.