Home / 4,502.75-6,761.60-2,782.31

Finding the Fourth Proportional to 4,502.75, 6,761.60 and 2,782.31

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Solution

The fourth proportional to 4,502.75, 6,761.60 and 2,782.31 is: 4,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.75 : 6,761.60 = 2,782.31 : x
  2. Step 2: Convert to fraction form
    4,502.75/6,761.60 = 2,782.31/x
  3. Step 3: Cross multiply
    4,502.75x = 6,761.60 × 2,782.31
  4. Step 4: Simplify right side
    4,502.75x = 18,812,853.38
  5. Step 5: Solve for x
    x = 18,812,853.38/4,502.75
  6. Step 6: Final answer
    x = 4,178.08

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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.