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Finding the Fourth Proportional to 9,670.92, 13,344.93 and 5,479.17

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Solution

The fourth proportional to 9,670.92, 13,344.93 and 5,479.17 is: 7,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.92 : 13,344.93 = 5,479.17 : x
  2. Step 2: Convert to fraction form
    9,670.92/13,344.93 = 5,479.17/x
  3. Step 3: Cross multiply
    9,670.92x = 13,344.93 × 5,479.17
  4. Step 4: Simplify right side
    9,670.92x = 73,119,140.11
  5. Step 5: Solve for x
    x = 73,119,140.11/9,670.92
  6. Step 6: Final answer
    x = 7,560.72

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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.