Home / 4,871.32-6,720.78-2,773.96

Finding the Fourth Proportional to 4,871.32, 6,720.78 and 2,773.96

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Solution

The fourth proportional to 4,871.32, 6,720.78 and 2,773.96 is: 3,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.32 : 6,720.78 = 2,773.96 : x
  2. Step 2: Convert to fraction form
    4,871.32/6,720.78 = 2,773.96/x
  3. Step 3: Cross multiply
    4,871.32x = 6,720.78 × 2,773.96
  4. Step 4: Simplify right side
    4,871.32x = 18,643,174.89
  5. Step 5: Solve for x
    x = 18,643,174.89/4,871.32
  6. Step 6: Final answer
    x = 3,827.13

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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.