Home / 4,261.44-5,879.89-2,688.63

Finding the Fourth Proportional to 4,261.44, 5,879.89 and 2,688.63

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Solution

The fourth proportional to 4,261.44, 5,879.89 and 2,688.63 is: 3,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.44 : 5,879.89 = 2,688.63 : x
  2. Step 2: Convert to fraction form
    4,261.44/5,879.89 = 2,688.63/x
  3. Step 3: Cross multiply
    4,261.44x = 5,879.89 × 2,688.63
  4. Step 4: Simplify right side
    4,261.44x = 15,808,848.65
  5. Step 5: Solve for x
    x = 15,808,848.65/4,261.44
  6. Step 6: Final answer
    x = 3,709.74

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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.