Home / 7,999.53-11,039.11-4,462.66

Finding the Fourth Proportional to 7,999.53, 11,039.11 and 4,462.66

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Solution

The fourth proportional to 7,999.53, 11,039.11 and 4,462.66 is: 6,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.53 : 11,039.11 = 4,462.66 : x
  2. Step 2: Convert to fraction form
    7,999.53/11,039.11 = 4,462.66/x
  3. Step 3: Cross multiply
    7,999.53x = 11,039.11 × 4,462.66
  4. Step 4: Simplify right side
    7,999.53x = 49,263,794.63
  5. Step 5: Solve for x
    x = 49,263,794.63/7,999.53
  6. Step 6: Final answer
    x = 6,158.34

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1.5x scale

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.