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Finding the Fourth Proportional to 7,574.52, 11,356.11 and 5,102.40

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Solution

The fourth proportional to 7,574.52, 11,356.11 and 5,102.40 is: 7,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.52 : 11,356.11 = 5,102.40 : x
  2. Step 2: Convert to fraction form
    7,574.52/11,356.11 = 5,102.40/x
  3. Step 3: Cross multiply
    7,574.52x = 11,356.11 × 5,102.40
  4. Step 4: Simplify right side
    7,574.52x = 57,943,415.66
  5. Step 5: Solve for x
    x = 57,943,415.66/7,574.52
  6. Step 6: Final answer
    x = 7,649.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.