Home / 7,233.30-9,981.90-4,089.60

Finding the Fourth Proportional to 7,233.30, 9,981.90 and 4,089.60

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Solution

The fourth proportional to 7,233.30, 9,981.90 and 4,089.60 is: 5,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,233.30 : 9,981.90 = 4,089.60 : x
  2. Step 2: Convert to fraction form
    7,233.30/9,981.90 = 4,089.60/x
  3. Step 3: Cross multiply
    7,233.30x = 9,981.90 × 4,089.60
  4. Step 4: Simplify right side
    7,233.30x = 40,821,978.24
  5. Step 5: Solve for x
    x = 40,821,978.24/7,233.30
  6. Step 6: Final answer
    x = 5,643.62

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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.