Home / 6,308.40-8,705.25-3,475.22

Finding the Fourth Proportional to 6,308.40, 8,705.25 and 3,475.22

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Solution

The fourth proportional to 6,308.40, 8,705.25 and 3,475.22 is: 4,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.40 : 8,705.25 = 3,475.22 : x
  2. Step 2: Convert to fraction form
    6,308.40/8,705.25 = 3,475.22/x
  3. Step 3: Cross multiply
    6,308.40x = 8,705.25 × 3,475.22
  4. Step 4: Simplify right side
    6,308.40x = 30,252,680.67
  5. Step 5: Solve for x
    x = 30,252,680.67/6,308.40
  6. Step 6: Final answer
    x = 4,795.62

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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.