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Finding the Fourth Proportional to 6,334.40, 9,505.90 and 2,230.40

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Solution

The fourth proportional to 6,334.40, 9,505.90 and 2,230.40 is: 3,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,334.40 : 9,505.90 = 2,230.40 : x
  2. Step 2: Convert to fraction form
    6,334.40/9,505.90 = 2,230.40/x
  3. Step 3: Cross multiply
    6,334.40x = 9,505.90 × 2,230.40
  4. Step 4: Simplify right side
    6,334.40x = 21,201,959.36
  5. Step 5: Solve for x
    x = 21,201,959.36/6,334.40
  6. Step 6: Final answer
    x = 3,347.11

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1.5x scale

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.