Home / 5,026.70-7,539.99-1,278.48

Finding the Fourth Proportional to 5,026.70, 7,539.99 and 1,278.48

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Solution

The fourth proportional to 5,026.70, 7,539.99 and 1,278.48 is: 1,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.70 : 7,539.99 = 1,278.48 : x
  2. Step 2: Convert to fraction form
    5,026.70/7,539.99 = 1,278.48/x
  3. Step 3: Cross multiply
    5,026.70x = 7,539.99 × 1,278.48
  4. Step 4: Simplify right side
    5,026.70x = 9,639,726.42
  5. Step 5: Solve for x
    x = 9,639,726.42/5,026.70
  6. Step 6: Final answer
    x = 1,917.71

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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.