Home / 4,450.60-6,139.90-2,681.19

Finding the Fourth Proportional to 4,450.60, 6,139.90 and 2,681.19

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Solution

The fourth proportional to 4,450.60, 6,139.90 and 2,681.19 is: 3,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.60 : 6,139.90 = 2,681.19 : x
  2. Step 2: Convert to fraction form
    4,450.60/6,139.90 = 2,681.19/x
  3. Step 3: Cross multiply
    4,450.60x = 6,139.90 × 2,681.19
  4. Step 4: Simplify right side
    4,450.60x = 16,462,238.48
  5. Step 5: Solve for x
    x = 16,462,238.48/4,450.60
  6. Step 6: Final answer
    x = 3,698.88

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.