Home / 7,919.32-11,877.36-5,003.32

Finding the Fourth Proportional to 7,919.32, 11,877.36 and 5,003.32

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Solution

The fourth proportional to 7,919.32, 11,877.36 and 5,003.32 is: 7,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.32 : 11,877.36 = 5,003.32 : x
  2. Step 2: Convert to fraction form
    7,919.32/11,877.36 = 5,003.32/x
  3. Step 3: Cross multiply
    7,919.32x = 11,877.36 × 5,003.32
  4. Step 4: Simplify right side
    7,919.32x = 59,426,232.84
  5. Step 5: Solve for x
    x = 59,426,232.84/7,919.32
  6. Step 6: Final answer
    x = 7,503.96

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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.