Home / 5,219.86-7,203.40-2,862.06

Finding the Fourth Proportional to 5,219.86, 7,203.40 and 2,862.06

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Solution

The fourth proportional to 5,219.86, 7,203.40 and 2,862.06 is: 3,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.86 : 7,203.40 = 2,862.06 : x
  2. Step 2: Convert to fraction form
    5,219.86/7,203.40 = 2,862.06/x
  3. Step 3: Cross multiply
    5,219.86x = 7,203.40 × 2,862.06
  4. Step 4: Simplify right side
    5,219.86x = 20,616,563.00
  5. Step 5: Solve for x
    x = 20,616,563.00/5,219.86
  6. Step 6: Final answer
    x = 3,949.64

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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.