Home / 7,384.23-11,078.17-2,453.90

Finding the Fourth Proportional to 7,384.23, 11,078.17 and 2,453.90

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Solution

The fourth proportional to 7,384.23, 11,078.17 and 2,453.90 is: 3,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.23 : 11,078.17 = 2,453.90 : x
  2. Step 2: Convert to fraction form
    7,384.23/11,078.17 = 2,453.90/x
  3. Step 3: Cross multiply
    7,384.23x = 11,078.17 × 2,453.90
  4. Step 4: Simplify right side
    7,384.23x = 27,184,659.84
  5. Step 5: Solve for x
    x = 27,184,659.84/7,384.23
  6. Step 6: Final answer
    x = 3,681.45

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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.