Home / 6,308.08-8,705.19-3,475.78

Finding the Fourth Proportional to 6,308.08, 8,705.19 and 3,475.78

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Solution

The fourth proportional to 6,308.08, 8,705.19 and 3,475.78 is: 4,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.08 : 8,705.19 = 3,475.78 : x
  2. Step 2: Convert to fraction form
    6,308.08/8,705.19 = 3,475.78/x
  3. Step 3: Cross multiply
    6,308.08x = 8,705.19 × 3,475.78
  4. Step 4: Simplify right side
    6,308.08x = 30,257,325.30
  5. Step 5: Solve for x
    x = 30,257,325.30/6,308.08
  6. Step 6: Final answer
    x = 4,796.60

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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.