Home / 5,181.84-7,774.38-3,950.64

Finding the Fourth Proportional to 5,181.84, 7,774.38 and 3,950.64

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Solution

The fourth proportional to 5,181.84, 7,774.38 and 3,950.64 is: 5,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.84 : 7,774.38 = 3,950.64 : x
  2. Step 2: Convert to fraction form
    5,181.84/7,774.38 = 3,950.64/x
  3. Step 3: Cross multiply
    5,181.84x = 7,774.38 × 3,950.64
  4. Step 4: Simplify right side
    5,181.84x = 30,713,776.60
  5. Step 5: Solve for x
    x = 30,713,776.60/5,181.84
  6. Step 6: Final answer
    x = 5,927.20

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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.