Home / 5,383.26-8,074.72-1,685.48

Finding the Fourth Proportional to 5,383.26, 8,074.72 and 1,685.48

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Solution

The fourth proportional to 5,383.26, 8,074.72 and 1,685.48 is: 2,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.26 : 8,074.72 = 1,685.48 : x
  2. Step 2: Convert to fraction form
    5,383.26/8,074.72 = 1,685.48/x
  3. Step 3: Cross multiply
    5,383.26x = 8,074.72 × 1,685.48
  4. Step 4: Simplify right side
    5,383.26x = 13,609,779.07
  5. Step 5: Solve for x
    x = 13,609,779.07/5,383.26
  6. Step 6: Final answer
    x = 2,528.17

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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.