Home / 5,185.35-7,773.39-2,261.34

Finding the Fourth Proportional to 5,185.35, 7,773.39 and 2,261.34

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Solution

The fourth proportional to 5,185.35, 7,773.39 and 2,261.34 is: 3,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.35 : 7,773.39 = 2,261.34 : x
  2. Step 2: Convert to fraction form
    5,185.35/7,773.39 = 2,261.34/x
  3. Step 3: Cross multiply
    5,185.35x = 7,773.39 × 2,261.34
  4. Step 4: Simplify right side
    5,185.35x = 17,578,277.74
  5. Step 5: Solve for x
    x = 17,578,277.74/5,185.35
  6. Step 6: Final answer
    x = 3,389.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.