Home / 6,378.92-9,505.77-6,170.12

Finding the Fourth Proportional to 6,378.92, 9,505.77 and 6,170.12

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Solution

The fourth proportional to 6,378.92, 9,505.77 and 6,170.12 is: 9,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.92 : 9,505.77 = 6,170.12 : x
  2. Step 2: Convert to fraction form
    6,378.92/9,505.77 = 6,170.12/x
  3. Step 3: Cross multiply
    6,378.92x = 9,505.77 × 6,170.12
  4. Step 4: Simplify right side
    6,378.92x = 58,651,741.59
  5. Step 5: Solve for x
    x = 58,651,741.59/6,378.92
  6. Step 6: Final answer
    x = 9,194.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.