Home / 4,781.37-7,167.96-1,818.15

Finding the Fourth Proportional to 4,781.37, 7,167.96 and 1,818.15

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Solution

The fourth proportional to 4,781.37, 7,167.96 and 1,818.15 is: 2,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.37 : 7,167.96 = 1,818.15 : x
  2. Step 2: Convert to fraction form
    4,781.37/7,167.96 = 1,818.15/x
  3. Step 3: Cross multiply
    4,781.37x = 7,167.96 × 1,818.15
  4. Step 4: Simplify right side
    4,781.37x = 13,032,426.47
  5. Step 5: Solve for x
    x = 13,032,426.47/4,781.37
  6. Step 6: Final answer
    x = 2,725.67

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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.