Home / 9,090.20-13,635.30-3,246.06

Finding the Fourth Proportional to 9,090.20, 13,635.30 and 3,246.06

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Solution

The fourth proportional to 9,090.20, 13,635.30 and 3,246.06 is: 4,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.20 : 13,635.30 = 3,246.06 : x
  2. Step 2: Convert to fraction form
    9,090.20/13,635.30 = 3,246.06/x
  3. Step 3: Cross multiply
    9,090.20x = 13,635.30 × 3,246.06
  4. Step 4: Simplify right side
    9,090.20x = 44,261,001.92
  5. Step 5: Solve for x
    x = 44,261,001.92/9,090.20
  6. Step 6: Final answer
    x = 4,869.09

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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.