Home / 5,081.02-7,616.34-1,959.81

Finding the Fourth Proportional to 5,081.02, 7,616.34 and 1,959.81

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Solution

The fourth proportional to 5,081.02, 7,616.34 and 1,959.81 is: 2,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.02 : 7,616.34 = 1,959.81 : x
  2. Step 2: Convert to fraction form
    5,081.02/7,616.34 = 1,959.81/x
  3. Step 3: Cross multiply
    5,081.02x = 7,616.34 × 1,959.81
  4. Step 4: Simplify right side
    5,081.02x = 14,926,579.30
  5. Step 5: Solve for x
    x = 14,926,579.30/5,081.02
  6. Step 6: Final answer
    x = 2,937.71

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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.