Home / 6,113.75-8,436.88-3,319.25

Finding the Fourth Proportional to 6,113.75, 8,436.88 and 3,319.25

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Solution

The fourth proportional to 6,113.75, 8,436.88 and 3,319.25 is: 4,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.75 : 8,436.88 = 3,319.25 : x
  2. Step 2: Convert to fraction form
    6,113.75/8,436.88 = 3,319.25/x
  3. Step 3: Cross multiply
    6,113.75x = 8,436.88 × 3,319.25
  4. Step 4: Simplify right side
    6,113.75x = 28,004,113.94
  5. Step 5: Solve for x
    x = 28,004,113.94/6,113.75
  6. Step 6: Final answer
    x = 4,580.51

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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.