Home / 5,203.69-7,181.12-2,845.82

Finding the Fourth Proportional to 5,203.69, 7,181.12 and 2,845.82

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Solution

The fourth proportional to 5,203.69, 7,181.12 and 2,845.82 is: 3,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.69 : 7,181.12 = 2,845.82 : x
  2. Step 2: Convert to fraction form
    5,203.69/7,181.12 = 2,845.82/x
  3. Step 3: Cross multiply
    5,203.69x = 7,181.12 × 2,845.82
  4. Step 4: Simplify right side
    5,203.69x = 20,436,178.64
  5. Step 5: Solve for x
    x = 20,436,178.64/5,203.69
  6. Step 6: Final answer
    x = 3,927.25

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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.