Home / 6,619.37-9,930.17-2,235.78

Finding the Fourth Proportional to 6,619.37, 9,930.17 and 2,235.78

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Solution

The fourth proportional to 6,619.37, 9,930.17 and 2,235.78 is: 3,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.37 : 9,930.17 = 2,235.78 : x
  2. Step 2: Convert to fraction form
    6,619.37/9,930.17 = 2,235.78/x
  3. Step 3: Cross multiply
    6,619.37x = 9,930.17 × 2,235.78
  4. Step 4: Simplify right side
    6,619.37x = 22,201,681.07
  5. Step 5: Solve for x
    x = 22,201,681.07/6,619.37
  6. Step 6: Final answer
    x = 3,354.05

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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.