Home / 5,181.58-7,774.31-3,103.05

Finding the Fourth Proportional to 5,181.58, 7,774.31 and 3,103.05

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Solution

The fourth proportional to 5,181.58, 7,774.31 and 3,103.05 is: 4,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.58 : 7,774.31 = 3,103.05 : x
  2. Step 2: Convert to fraction form
    5,181.58/7,774.31 = 3,103.05/x
  3. Step 3: Cross multiply
    5,181.58x = 7,774.31 × 3,103.05
  4. Step 4: Simplify right side
    5,181.58x = 24,124,072.65
  5. Step 5: Solve for x
    x = 24,124,072.65/5,181.58
  6. Step 6: Final answer
    x = 4,655.74

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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.