Home / 7,648.91-11,466.36-2,972.08

Finding the Fourth Proportional to 7,648.91, 11,466.36 and 2,972.08

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Solution

The fourth proportional to 7,648.91, 11,466.36 and 2,972.08 is: 4,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.91 : 11,466.36 = 2,972.08 : x
  2. Step 2: Convert to fraction form
    7,648.91/11,466.36 = 2,972.08/x
  3. Step 3: Cross multiply
    7,648.91x = 11,466.36 × 2,972.08
  4. Step 4: Simplify right side
    7,648.91x = 34,078,889.06
  5. Step 5: Solve for x
    x = 34,078,889.06/7,648.91
  6. Step 6: Final answer
    x = 4,455.39

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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.