Home / 7,642.29-11,459.82-2,964.54

Finding the Fourth Proportional to 7,642.29, 11,459.82 and 2,964.54

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Solution

The fourth proportional to 7,642.29, 11,459.82 and 2,964.54 is: 4,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.29 : 11,459.82 = 2,964.54 : x
  2. Step 2: Convert to fraction form
    7,642.29/11,459.82 = 2,964.54/x
  3. Step 3: Cross multiply
    7,642.29x = 11,459.82 × 2,964.54
  4. Step 4: Simplify right side
    7,642.29x = 33,973,094.78
  5. Step 5: Solve for x
    x = 33,973,094.78/7,642.29
  6. Step 6: Final answer
    x = 4,445.41

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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.