Home / 6,277.96-9,415.35-2,581.21

Finding the Fourth Proportional to 6,277.96, 9,415.35 and 2,581.21

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Solution

The fourth proportional to 6,277.96, 9,415.35 and 2,581.21 is: 3,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.96 : 9,415.35 = 2,581.21 : x
  2. Step 2: Convert to fraction form
    6,277.96/9,415.35 = 2,581.21/x
  3. Step 3: Cross multiply
    6,277.96x = 9,415.35 × 2,581.21
  4. Step 4: Simplify right side
    6,277.96x = 24,302,995.57
  5. Step 5: Solve for x
    x = 24,302,995.57/6,277.96
  6. Step 6: Final answer
    x = 3,871.16

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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.