Home / 7,490.95-11,243.39-3,795.81

Finding the Fourth Proportional to 7,490.95, 11,243.39 and 3,795.81

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Solution

The fourth proportional to 7,490.95, 11,243.39 and 3,795.81 is: 5,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.95 : 11,243.39 = 3,795.81 : x
  2. Step 2: Convert to fraction form
    7,490.95/11,243.39 = 3,795.81/x
  3. Step 3: Cross multiply
    7,490.95x = 11,243.39 × 3,795.81
  4. Step 4: Simplify right side
    7,490.95x = 42,677,772.20
  5. Step 5: Solve for x
    x = 42,677,772.20/7,490.95
  6. Step 6: Final answer
    x = 5,697.24

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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.