Home / 6,492.56-8,960.40-3,976.36

Finding the Fourth Proportional to 6,492.56, 8,960.40 and 3,976.36

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Solution

The fourth proportional to 6,492.56, 8,960.40 and 3,976.36 is: 5,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.56 : 8,960.40 = 3,976.36 : x
  2. Step 2: Convert to fraction form
    6,492.56/8,960.40 = 3,976.36/x
  3. Step 3: Cross multiply
    6,492.56x = 8,960.40 × 3,976.36
  4. Step 4: Simplify right side
    6,492.56x = 35,629,776.14
  5. Step 5: Solve for x
    x = 35,629,776.14/6,492.56
  6. Step 6: Final answer
    x = 5,487.79

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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.