Home / 7,490.11-11,235.81-2,491.45

Finding the Fourth Proportional to 7,490.11, 11,235.81 and 2,491.45

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Solution

The fourth proportional to 7,490.11, 11,235.81 and 2,491.45 is: 3,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.11 : 11,235.81 = 2,491.45 : x
  2. Step 2: Convert to fraction form
    7,490.11/11,235.81 = 2,491.45/x
  3. Step 3: Cross multiply
    7,490.11x = 11,235.81 × 2,491.45
  4. Step 4: Simplify right side
    7,490.11x = 27,993,458.82
  5. Step 5: Solve for x
    x = 27,993,458.82/7,490.11
  6. Step 6: Final answer
    x = 3,737.39

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Why These Related Problems?

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