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Finding the Fourth Proportional to 7,959.06, 11,938.59 and 2,487.06

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Solution

The fourth proportional to 7,959.06, 11,938.59 and 2,487.06 is: 3,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.06 : 11,938.59 = 2,487.06 : x
  2. Step 2: Convert to fraction form
    7,959.06/11,938.59 = 2,487.06/x
  3. Step 3: Cross multiply
    7,959.06x = 11,938.59 × 2,487.06
  4. Step 4: Simplify right side
    7,959.06x = 29,692,028.82
  5. Step 5: Solve for x
    x = 29,692,028.82/7,959.06
  6. Step 6: Final answer
    x = 3,730.59

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1.5x scale

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.