Home / 6,267.87-8,649.29-3,579.39

Finding the Fourth Proportional to 6,267.87, 8,649.29 and 3,579.39

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Solution

The fourth proportional to 6,267.87, 8,649.29 and 3,579.39 is: 4,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.87 : 8,649.29 = 3,579.39 : x
  2. Step 2: Convert to fraction form
    6,267.87/8,649.29 = 3,579.39/x
  3. Step 3: Cross multiply
    6,267.87x = 8,649.29 × 3,579.39
  4. Step 4: Simplify right side
    6,267.87x = 30,959,164.24
  5. Step 5: Solve for x
    x = 30,959,164.24/6,267.87
  6. Step 6: Final answer
    x = 4,939.34

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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.