Home / 6,200.78-8,557.44-3,406.28

Finding the Fourth Proportional to 6,200.78, 8,557.44 and 3,406.28

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Solution

The fourth proportional to 6,200.78, 8,557.44 and 3,406.28 is: 4,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.78 : 8,557.44 = 3,406.28 : x
  2. Step 2: Convert to fraction form
    6,200.78/8,557.44 = 3,406.28/x
  3. Step 3: Cross multiply
    6,200.78x = 8,557.44 × 3,406.28
  4. Step 4: Simplify right side
    6,200.78x = 29,149,036.72
  5. Step 5: Solve for x
    x = 29,149,036.72/6,200.78
  6. Step 6: Final answer
    x = 4,700.87

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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.