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Finding the Fourth Proportional to 7,230.72, 9,981.63 and 4,246.74

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Solution

The fourth proportional to 7,230.72, 9,981.63 and 4,246.74 is: 5,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.72 : 9,981.63 = 4,246.74 : x
  2. Step 2: Convert to fraction form
    7,230.72/9,981.63 = 4,246.74/x
  3. Step 3: Cross multiply
    7,230.72x = 9,981.63 × 4,246.74
  4. Step 4: Simplify right side
    7,230.72x = 42,389,387.39
  5. Step 5: Solve for x
    x = 42,389,387.39/7,230.72
  6. Step 6: Final answer
    x = 5,862.40

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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.