Home / 5,319.06-7,981.60-2,201.38

Finding the Fourth Proportional to 5,319.06, 7,981.60 and 2,201.38

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Solution

The fourth proportional to 5,319.06, 7,981.60 and 2,201.38 is: 3,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.06 : 7,981.60 = 2,201.38 : x
  2. Step 2: Convert to fraction form
    5,319.06/7,981.60 = 2,201.38/x
  3. Step 3: Cross multiply
    5,319.06x = 7,981.60 × 2,201.38
  4. Step 4: Simplify right side
    5,319.06x = 17,570,534.61
  5. Step 5: Solve for x
    x = 17,570,534.61/5,319.06
  6. Step 6: Final answer
    x = 3,303.32

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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.