Home / 7,643.16-11,466.09-2,715.66

Finding the Fourth Proportional to 7,643.16, 11,466.09 and 2,715.66

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Solution

The fourth proportional to 7,643.16, 11,466.09 and 2,715.66 is: 4,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.16 : 11,466.09 = 2,715.66 : x
  2. Step 2: Convert to fraction form
    7,643.16/11,466.09 = 2,715.66/x
  3. Step 3: Cross multiply
    7,643.16x = 11,466.09 × 2,715.66
  4. Step 4: Simplify right side
    7,643.16x = 31,138,001.97
  5. Step 5: Solve for x
    x = 31,138,001.97/7,643.16
  6. Step 6: Final answer
    x = 4,073.97

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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.