Home / 3,777.77-5,639.14-3,466.19

Finding the Fourth Proportional to 3,777.77, 5,639.14 and 3,466.19

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Solution

The fourth proportional to 3,777.77, 5,639.14 and 3,466.19 is: 5,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.77 : 5,639.14 = 3,466.19 : x
  2. Step 2: Convert to fraction form
    3,777.77/5,639.14 = 3,466.19/x
  3. Step 3: Cross multiply
    3,777.77x = 5,639.14 × 3,466.19
  4. Step 4: Simplify right side
    3,777.77x = 19,546,330.68
  5. Step 5: Solve for x
    x = 19,546,330.68/3,777.77
  6. Step 6: Final answer
    x = 5,174.04

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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.