Home / 5,382.63-8,073.93-1,917.45

Finding the Fourth Proportional to 5,382.63, 8,073.93 and 1,917.45

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Solution

The fourth proportional to 5,382.63, 8,073.93 and 1,917.45 is: 2,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.63 : 8,073.93 = 1,917.45 : x
  2. Step 2: Convert to fraction form
    5,382.63/8,073.93 = 1,917.45/x
  3. Step 3: Cross multiply
    5,382.63x = 8,073.93 × 1,917.45
  4. Step 4: Simplify right side
    5,382.63x = 15,481,357.08
  5. Step 5: Solve for x
    x = 15,481,357.08/5,382.63
  6. Step 6: Final answer
    x = 2,876.17

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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.