Home / 5,177.22-7,139.84-3,383.07

Finding the Fourth Proportional to 5,177.22, 7,139.84 and 3,383.07

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Solution

The fourth proportional to 5,177.22, 7,139.84 and 3,383.07 is: 4,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.22 : 7,139.84 = 3,383.07 : x
  2. Step 2: Convert to fraction form
    5,177.22/7,139.84 = 3,383.07/x
  3. Step 3: Cross multiply
    5,177.22x = 7,139.84 × 3,383.07
  4. Step 4: Simplify right side
    5,177.22x = 24,154,578.51
  5. Step 5: Solve for x
    x = 24,154,578.51/5,177.22
  6. Step 6: Final answer
    x = 4,665.55

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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.