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Finding the Fourth Proportional to 7,358.34, 10,151.10 and 4,212.84

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Solution

The fourth proportional to 7,358.34, 10,151.10 and 4,212.84 is: 5,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.34 : 10,151.10 = 4,212.84 : x
  2. Step 2: Convert to fraction form
    7,358.34/10,151.10 = 4,212.84/x
  3. Step 3: Cross multiply
    7,358.34x = 10,151.10 × 4,212.84
  4. Step 4: Simplify right side
    7,358.34x = 42,764,960.12
  5. Step 5: Solve for x
    x = 42,764,960.12/7,358.34
  6. Step 6: Final answer
    x = 5,811.77

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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.