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Finding the Fourth Proportional to 9,323.20, 12,865.64 and 5,341.55

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Solution

The fourth proportional to 9,323.20, 12,865.64 and 5,341.55 is: 7,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.20 : 12,865.64 = 5,341.55 : x
  2. Step 2: Convert to fraction form
    9,323.20/12,865.64 = 5,341.55/x
  3. Step 3: Cross multiply
    9,323.20x = 12,865.64 × 5,341.55
  4. Step 4: Simplify right side
    9,323.20x = 68,722,459.34
  5. Step 5: Solve for x
    x = 68,722,459.34/9,323.20
  6. Step 6: Final answer
    x = 7,371.12

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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.