Home / 5,026.75-7,539.08-1,905.68

Finding the Fourth Proportional to 5,026.75, 7,539.08 and 1,905.68

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Solution

The fourth proportional to 5,026.75, 7,539.08 and 1,905.68 is: 2,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.75 : 7,539.08 = 1,905.68 : x
  2. Step 2: Convert to fraction form
    5,026.75/7,539.08 = 1,905.68/x
  3. Step 3: Cross multiply
    5,026.75x = 7,539.08 × 1,905.68
  4. Step 4: Simplify right side
    5,026.75x = 14,367,073.97
  5. Step 5: Solve for x
    x = 14,367,073.97/5,026.75
  6. Step 6: Final answer
    x = 2,858.12

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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.