Home / 7,971.17-11,956.19-2,705.76

Finding the Fourth Proportional to 7,971.17, 11,956.19 and 2,705.76

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Solution

The fourth proportional to 7,971.17, 11,956.19 and 2,705.76 is: 4,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.17 : 11,956.19 = 2,705.76 : x
  2. Step 2: Convert to fraction form
    7,971.17/11,956.19 = 2,705.76/x
  3. Step 3: Cross multiply
    7,971.17x = 11,956.19 × 2,705.76
  4. Step 4: Simplify right side
    7,971.17x = 32,350,567.13
  5. Step 5: Solve for x
    x = 32,350,567.13/7,971.17
  6. Step 6: Final answer
    x = 4,058.45

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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.