Home / 7,541.64-11,309.76-2,609.96

Finding the Fourth Proportional to 7,541.64, 11,309.76 and 2,609.96

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Solution

The fourth proportional to 7,541.64, 11,309.76 and 2,609.96 is: 3,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.64 : 11,309.76 = 2,609.96 : x
  2. Step 2: Convert to fraction form
    7,541.64/11,309.76 = 2,609.96/x
  3. Step 3: Cross multiply
    7,541.64x = 11,309.76 × 2,609.96
  4. Step 4: Simplify right side
    7,541.64x = 29,517,964.66
  5. Step 5: Solve for x
    x = 29,517,964.66/7,541.64
  6. Step 6: Final answer
    x = 3,914.00

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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.