Home / 4,020.09-5,548.13-2,318.66

Finding the Fourth Proportional to 4,020.09, 5,548.13 and 2,318.66

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Solution

The fourth proportional to 4,020.09, 5,548.13 and 2,318.66 is: 3,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.09 : 5,548.13 = 2,318.66 : x
  2. Step 2: Convert to fraction form
    4,020.09/5,548.13 = 2,318.66/x
  3. Step 3: Cross multiply
    4,020.09x = 5,548.13 × 2,318.66
  4. Step 4: Simplify right side
    4,020.09x = 12,864,236.37
  5. Step 5: Solve for x
    x = 12,864,236.37/4,020.09
  6. Step 6: Final answer
    x = 3,199.99

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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.