Home / 4,020.93-5,553.23-3,875.13

Finding the Fourth Proportional to 4,020.93, 5,553.23 and 3,875.13

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Solution

The fourth proportional to 4,020.93, 5,553.23 and 3,875.13 is: 5,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.93 : 5,553.23 = 3,875.13 : x
  2. Step 2: Convert to fraction form
    4,020.93/5,553.23 = 3,875.13/x
  3. Step 3: Cross multiply
    4,020.93x = 5,553.23 × 3,875.13
  4. Step 4: Simplify right side
    4,020.93x = 21,519,468.79
  5. Step 5: Solve for x
    x = 21,519,468.79/4,020.93
  6. Step 6: Final answer
    x = 5,351.86

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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.