Home / 5,206.86-7,184.07-3,319.02

Finding the Fourth Proportional to 5,206.86, 7,184.07 and 3,319.02

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Solution

The fourth proportional to 5,206.86, 7,184.07 and 3,319.02 is: 4,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.86 : 7,184.07 = 3,319.02 : x
  2. Step 2: Convert to fraction form
    5,206.86/7,184.07 = 3,319.02/x
  3. Step 3: Cross multiply
    5,206.86x = 7,184.07 × 3,319.02
  4. Step 4: Simplify right side
    5,206.86x = 23,844,072.01
  5. Step 5: Solve for x
    x = 23,844,072.01/5,206.86
  6. Step 6: Final answer
    x = 4,579.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.