Home / 7,970.28-11,976.66-4,077.24

Finding the Fourth Proportional to 7,970.28, 11,976.66 and 4,077.24

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Solution

The fourth proportional to 7,970.28, 11,976.66 and 4,077.24 is: 6,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.28 : 11,976.66 = 4,077.24 : x
  2. Step 2: Convert to fraction form
    7,970.28/11,976.66 = 4,077.24/x
  3. Step 3: Cross multiply
    7,970.28x = 11,976.66 × 4,077.24
  4. Step 4: Simplify right side
    7,970.28x = 48,831,717.22
  5. Step 5: Solve for x
    x = 48,831,717.22/7,970.28
  6. Step 6: Final answer
    x = 6,126.73

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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.