Home / 7,971.66-11,957.55-2,777.52

Finding the Fourth Proportional to 7,971.66, 11,957.55 and 2,777.52

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Solution

The fourth proportional to 7,971.66, 11,957.55 and 2,777.52 is: 4,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.66 : 11,957.55 = 2,777.52 : x
  2. Step 2: Convert to fraction form
    7,971.66/11,957.55 = 2,777.52/x
  3. Step 3: Cross multiply
    7,971.66x = 11,957.55 × 2,777.52
  4. Step 4: Simplify right side
    7,971.66x = 33,212,334.28
  5. Step 5: Solve for x
    x = 33,212,334.28/7,971.66
  6. Step 6: Final answer
    x = 4,166.30

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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.