Home / 6,108.90-9,157.20-2,409.70

Finding the Fourth Proportional to 6,108.90, 9,157.20 and 2,409.70

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Solution

The fourth proportional to 6,108.90, 9,157.20 and 2,409.70 is: 3,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.90 : 9,157.20 = 2,409.70 : x
  2. Step 2: Convert to fraction form
    6,108.90/9,157.20 = 2,409.70/x
  3. Step 3: Cross multiply
    6,108.90x = 9,157.20 × 2,409.70
  4. Step 4: Simplify right side
    6,108.90x = 22,066,104.84
  5. Step 5: Solve for x
    x = 22,066,104.84/6,108.90
  6. Step 6: Final answer
    x = 3,612.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.