Home / 6,137.80-9,210.30-2,242.60

Finding the Fourth Proportional to 6,137.80, 9,210.30 and 2,242.60

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Solution

The fourth proportional to 6,137.80, 9,210.30 and 2,242.60 is: 3,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.80 : 9,210.30 = 2,242.60 : x
  2. Step 2: Convert to fraction form
    6,137.80/9,210.30 = 2,242.60/x
  3. Step 3: Cross multiply
    6,137.80x = 9,210.30 × 2,242.60
  4. Step 4: Simplify right side
    6,137.80x = 20,655,018.78
  5. Step 5: Solve for x
    x = 20,655,018.78/6,137.80
  6. Step 6: Final answer
    x = 3,365.22

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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.