Home / 6,131.16-9,200.39-3,210.30

Finding the Fourth Proportional to 6,131.16, 9,200.39 and 3,210.30

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Solution

The fourth proportional to 6,131.16, 9,200.39 and 3,210.30 is: 4,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.16 : 9,200.39 = 3,210.30 : x
  2. Step 2: Convert to fraction form
    6,131.16/9,200.39 = 3,210.30/x
  3. Step 3: Cross multiply
    6,131.16x = 9,200.39 × 3,210.30
  4. Step 4: Simplify right side
    6,131.16x = 29,535,995.97
  5. Step 5: Solve for x
    x = 29,535,995.97/6,131.16
  6. Step 6: Final answer
    x = 4,817.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.