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Finding the Fourth Proportional to 7,340.24, 10,129.56 and 4,028.24

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Solution

The fourth proportional to 7,340.24, 10,129.56 and 4,028.24 is: 5,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.24 : 10,129.56 = 4,028.24 : x
  2. Step 2: Convert to fraction form
    7,340.24/10,129.56 = 4,028.24/x
  3. Step 3: Cross multiply
    7,340.24x = 10,129.56 × 4,028.24
  4. Step 4: Simplify right side
    7,340.24x = 40,804,298.77
  5. Step 5: Solve for x
    x = 40,804,298.77/7,340.24
  6. Step 6: Final answer
    x = 5,558.99

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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.