Home / 6,078.77-8,388.23-3,560.56

Finding the Fourth Proportional to 6,078.77, 8,388.23 and 3,560.56

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Solution

The fourth proportional to 6,078.77, 8,388.23 and 3,560.56 is: 4,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.77 : 8,388.23 = 3,560.56 : x
  2. Step 2: Convert to fraction form
    6,078.77/8,388.23 = 3,560.56/x
  3. Step 3: Cross multiply
    6,078.77x = 8,388.23 × 3,560.56
  4. Step 4: Simplify right side
    6,078.77x = 29,866,736.46
  5. Step 5: Solve for x
    x = 29,866,736.46/6,078.77
  6. Step 6: Final answer
    x = 4,913.29

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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.