Home / 6,713.12-9,261.94-3,880.12

Finding the Fourth Proportional to 6,713.12, 9,261.94 and 3,880.12

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Solution

The fourth proportional to 6,713.12, 9,261.94 and 3,880.12 is: 5,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.12 : 9,261.94 = 3,880.12 : x
  2. Step 2: Convert to fraction form
    6,713.12/9,261.94 = 3,880.12/x
  3. Step 3: Cross multiply
    6,713.12x = 9,261.94 × 3,880.12
  4. Step 4: Simplify right side
    6,713.12x = 35,937,438.63
  5. Step 5: Solve for x
    x = 35,937,438.63/6,713.12
  6. Step 6: Final answer
    x = 5,353.31

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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.