Home / 6,139.50-9,210.62-2,243.80

Finding the Fourth Proportional to 6,139.50, 9,210.62 and 2,243.80

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Solution

The fourth proportional to 6,139.50, 9,210.62 and 2,243.80 is: 3,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.50 : 9,210.62 = 2,243.80 : x
  2. Step 2: Convert to fraction form
    6,139.50/9,210.62 = 2,243.80/x
  3. Step 3: Cross multiply
    6,139.50x = 9,210.62 × 2,243.80
  4. Step 4: Simplify right side
    6,139.50x = 20,666,789.16
  5. Step 5: Solve for x
    x = 20,666,789.16/6,139.50
  6. Step 6: Final answer
    x = 3,366.20

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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.