Home / 7,999.40-11,039.28-4,596.96

Finding the Fourth Proportional to 7,999.40, 11,039.28 and 4,596.96

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Solution

The fourth proportional to 7,999.40, 11,039.28 and 4,596.96 is: 6,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.40 : 11,039.28 = 4,596.96 : x
  2. Step 2: Convert to fraction form
    7,999.40/11,039.28 = 4,596.96/x
  3. Step 3: Cross multiply
    7,999.40x = 11,039.28 × 4,596.96
  4. Step 4: Simplify right side
    7,999.40x = 50,747,128.59
  5. Step 5: Solve for x
    x = 50,747,128.59/7,999.40
  6. Step 6: Final answer
    x = 6,343.87

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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.