Home / 7,643.88-11,466.56-2,712.36

Finding the Fourth Proportional to 7,643.88, 11,466.56 and 2,712.36

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Solution

The fourth proportional to 7,643.88, 11,466.56 and 2,712.36 is: 4,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.88 : 11,466.56 = 2,712.36 : x
  2. Step 2: Convert to fraction form
    7,643.88/11,466.56 = 2,712.36/x
  3. Step 3: Cross multiply
    7,643.88x = 11,466.56 × 2,712.36
  4. Step 4: Simplify right side
    7,643.88x = 31,101,488.46
  5. Step 5: Solve for x
    x = 31,101,488.46/7,643.88
  6. Step 6: Final answer
    x = 4,068.81

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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.