Home / 5,383.23-8,070.89-1,683.39

Finding the Fourth Proportional to 5,383.23, 8,070.89 and 1,683.39

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Solution

The fourth proportional to 5,383.23, 8,070.89 and 1,683.39 is: 2,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.23 : 8,070.89 = 1,683.39 : x
  2. Step 2: Convert to fraction form
    5,383.23/8,070.89 = 1,683.39/x
  3. Step 3: Cross multiply
    5,383.23x = 8,070.89 × 1,683.39
  4. Step 4: Simplify right side
    5,383.23x = 13,586,447.10
  5. Step 5: Solve for x
    x = 13,586,447.10/5,383.23
  6. Step 6: Final answer
    x = 2,523.85

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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.