Home / 7,972.29-11,001.72-4,435.50

Finding the Fourth Proportional to 7,972.29, 11,001.72 and 4,435.50

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Solution

The fourth proportional to 7,972.29, 11,001.72 and 4,435.50 is: 6,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.29 : 11,001.72 = 4,435.50 : x
  2. Step 2: Convert to fraction form
    7,972.29/11,001.72 = 4,435.50/x
  3. Step 3: Cross multiply
    7,972.29x = 11,001.72 × 4,435.50
  4. Step 4: Simplify right side
    7,972.29x = 48,798,129.06
  5. Step 5: Solve for x
    x = 48,798,129.06/7,972.29
  6. Step 6: Final answer
    x = 6,120.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.