Home / 3,888.22-5,861.64-3,637.66

Finding the Fourth Proportional to 3,888.22, 5,861.64 and 3,637.66

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Solution

The fourth proportional to 3,888.22, 5,861.64 and 3,637.66 is: 5,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.22 : 5,861.64 = 3,637.66 : x
  2. Step 2: Convert to fraction form
    3,888.22/5,861.64 = 3,637.66/x
  3. Step 3: Cross multiply
    3,888.22x = 5,861.64 × 3,637.66
  4. Step 4: Simplify right side
    3,888.22x = 21,322,653.36
  5. Step 5: Solve for x
    x = 21,322,653.36/3,888.22
  6. Step 6: Final answer
    x = 5,483.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.