Home / 9,199.20-12,693.84-5,219.52

Finding the Fourth Proportional to 9,199.20, 12,693.84 and 5,219.52

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Solution

The fourth proportional to 9,199.20, 12,693.84 and 5,219.52 is: 7,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.20 : 12,693.84 = 5,219.52 : x
  2. Step 2: Convert to fraction form
    9,199.20/12,693.84 = 5,219.52/x
  3. Step 3: Cross multiply
    9,199.20x = 12,693.84 × 5,219.52
  4. Step 4: Simplify right side
    9,199.20x = 66,255,751.76
  5. Step 5: Solve for x
    x = 66,255,751.76/9,199.20
  6. Step 6: Final answer
    x = 7,202.34

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