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Finding the Fourth Proportional to 7,342.84, 10,130.83 and 4,198.42

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Solution

The fourth proportional to 7,342.84, 10,130.83 and 4,198.42 is: 5,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.84 : 10,130.83 = 4,198.42 : x
  2. Step 2: Convert to fraction form
    7,342.84/10,130.83 = 4,198.42/x
  3. Step 3: Cross multiply
    7,342.84x = 10,130.83 × 4,198.42
  4. Step 4: Simplify right side
    7,342.84x = 42,533,479.29
  5. Step 5: Solve for x
    x = 42,533,479.29/7,342.84
  6. Step 6: Final answer
    x = 5,792.51

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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.