Home / 3,775.89-5,638.40-3,083.93

Finding the Fourth Proportional to 3,775.89, 5,638.40 and 3,083.93

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Solution

The fourth proportional to 3,775.89, 5,638.40 and 3,083.93 is: 4,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.89 : 5,638.40 = 3,083.93 : x
  2. Step 2: Convert to fraction form
    3,775.89/5,638.40 = 3,083.93/x
  3. Step 3: Cross multiply
    3,775.89x = 5,638.40 × 3,083.93
  4. Step 4: Simplify right side
    3,775.89x = 17,388,430.91
  5. Step 5: Solve for x
    x = 17,388,430.91/3,775.89
  6. Step 6: Final answer
    x = 4,605.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.