Home / 4,127.76-5,698.52-3,181.48

Finding the Fourth Proportional to 4,127.76, 5,698.52 and 3,181.48

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Solution

The fourth proportional to 4,127.76, 5,698.52 and 3,181.48 is: 4,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.76 : 5,698.52 = 3,181.48 : x
  2. Step 2: Convert to fraction form
    4,127.76/5,698.52 = 3,181.48/x
  3. Step 3: Cross multiply
    4,127.76x = 5,698.52 × 3,181.48
  4. Step 4: Simplify right side
    4,127.76x = 18,129,709.19
  5. Step 5: Solve for x
    x = 18,129,709.19/4,127.76
  6. Step 6: Final answer
    x = 4,392.14

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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.