Home / 6,228.78-8,595.50-3,396.09

Finding the Fourth Proportional to 6,228.78, 8,595.50 and 3,396.09

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Solution

The fourth proportional to 6,228.78, 8,595.50 and 3,396.09 is: 4,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.78 : 8,595.50 = 3,396.09 : x
  2. Step 2: Convert to fraction form
    6,228.78/8,595.50 = 3,396.09/x
  3. Step 3: Cross multiply
    6,228.78x = 8,595.50 × 3,396.09
  4. Step 4: Simplify right side
    6,228.78x = 29,191,091.60
  5. Step 5: Solve for x
    x = 29,191,091.60/6,228.78
  6. Step 6: Final answer
    x = 4,686.49

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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.