Home / 6,113.36-8,436.48-3,318.86

Finding the Fourth Proportional to 6,113.36, 8,436.48 and 3,318.86

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Solution

The fourth proportional to 6,113.36, 8,436.48 and 3,318.86 is: 4,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.36 : 8,436.48 = 3,318.86 : x
  2. Step 2: Convert to fraction form
    6,113.36/8,436.48 = 3,318.86/x
  3. Step 3: Cross multiply
    6,113.36x = 8,436.48 × 3,318.86
  4. Step 4: Simplify right side
    6,113.36x = 27,999,496.01
  5. Step 5: Solve for x
    x = 27,999,496.01/6,113.36
  6. Step 6: Final answer
    x = 4,580.05

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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.