Home / 7,810.10-11,713.30-2,261.97

Finding the Fourth Proportional to 7,810.10, 11,713.30 and 2,261.97

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Solution

The fourth proportional to 7,810.10, 11,713.30 and 2,261.97 is: 3,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.10 : 11,713.30 = 2,261.97 : x
  2. Step 2: Convert to fraction form
    7,810.10/11,713.30 = 2,261.97/x
  3. Step 3: Cross multiply
    7,810.10x = 11,713.30 × 2,261.97
  4. Step 4: Simplify right side
    7,810.10x = 26,495,133.20
  5. Step 5: Solve for x
    x = 26,495,133.20/7,810.10
  6. Step 6: Final answer
    x = 3,392.42

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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.