Home / 4,642.36-6,963.87-1,869.05

Finding the Fourth Proportional to 4,642.36, 6,963.87 and 1,869.05

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Solution

The fourth proportional to 4,642.36, 6,963.87 and 1,869.05 is: 2,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.36 : 6,963.87 = 1,869.05 : x
  2. Step 2: Convert to fraction form
    4,642.36/6,963.87 = 1,869.05/x
  3. Step 3: Cross multiply
    4,642.36x = 6,963.87 × 1,869.05
  4. Step 4: Simplify right side
    4,642.36x = 13,015,821.22
  5. Step 5: Solve for x
    x = 13,015,821.22/4,642.36
  6. Step 6: Final answer
    x = 2,803.71

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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.