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Finding the Fourth Proportional to 5,513.51, 8,265.51 and 1,814.73

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Solution

The fourth proportional to 5,513.51, 8,265.51 and 1,814.73 is: 2,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.51 : 8,265.51 = 1,814.73 : x
  2. Step 2: Convert to fraction form
    5,513.51/8,265.51 = 1,814.73/x
  3. Step 3: Cross multiply
    5,513.51x = 8,265.51 × 1,814.73
  4. Step 4: Simplify right side
    5,513.51x = 14,999,668.96
  5. Step 5: Solve for x
    x = 14,999,668.96/5,513.51
  6. Step 6: Final answer
    x = 2,720.53

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1.5x scale

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.