Home / 5,380.93-8,071.40-1,917.37

Finding the Fourth Proportional to 5,380.93, 8,071.40 and 1,917.37

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Solution

The fourth proportional to 5,380.93, 8,071.40 and 1,917.37 is: 2,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.93 : 8,071.40 = 1,917.37 : x
  2. Step 2: Convert to fraction form
    5,380.93/8,071.40 = 1,917.37/x
  3. Step 3: Cross multiply
    5,380.93x = 8,071.40 × 1,917.37
  4. Step 4: Simplify right side
    5,380.93x = 15,475,860.22
  5. Step 5: Solve for x
    x = 15,475,860.22/5,380.93
  6. Step 6: Final answer
    x = 2,876.06

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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.