Home / 6,113.44-8,436.64-3,318.94

Finding the Fourth Proportional to 6,113.44, 8,436.64 and 3,318.94

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Solution

The fourth proportional to 6,113.44, 8,436.64 and 3,318.94 is: 4,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.44 : 8,436.64 = 3,318.94 : x
  2. Step 2: Convert to fraction form
    6,113.44/8,436.64 = 3,318.94/x
  3. Step 3: Cross multiply
    6,113.44x = 8,436.64 × 3,318.94
  4. Step 4: Simplify right side
    6,113.44x = 28,000,701.96
  5. Step 5: Solve for x
    x = 28,000,701.96/6,113.44
  6. Step 6: Final answer
    x = 4,580.19

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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.