Home / 7,614.31-11,421.81-2,684.00

Finding the Fourth Proportional to 7,614.31, 11,421.81 and 2,684.00

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Solution

The fourth proportional to 7,614.31, 11,421.81 and 2,684.00 is: 4,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.31 : 11,421.81 = 2,684.00 : x
  2. Step 2: Convert to fraction form
    7,614.31/11,421.81 = 2,684.00/x
  3. Step 3: Cross multiply
    7,614.31x = 11,421.81 × 2,684.00
  4. Step 4: Simplify right side
    7,614.31x = 30,656,080.93
  5. Step 5: Solve for x
    x = 30,656,080.93/7,614.31
  6. Step 6: Final answer
    x = 4,026.12

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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.