Home / 6,216.72-8,579.23-3,825.80

Finding the Fourth Proportional to 6,216.72, 8,579.23 and 3,825.80

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Solution

The fourth proportional to 6,216.72, 8,579.23 and 3,825.80 is: 5,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.72 : 8,579.23 = 3,825.80 : x
  2. Step 2: Convert to fraction form
    6,216.72/8,579.23 = 3,825.80/x
  3. Step 3: Cross multiply
    6,216.72x = 8,579.23 × 3,825.80
  4. Step 4: Simplify right side
    6,216.72x = 32,822,430.02
  5. Step 5: Solve for x
    x = 32,822,430.02/6,216.72
  6. Step 6: Final answer
    x = 5,279.70

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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.