Home / 5,318.00-7,978.28-2,396.30

Finding the Fourth Proportional to 5,318.00, 7,978.28 and 2,396.30

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Solution

The fourth proportional to 5,318.00, 7,978.28 and 2,396.30 is: 3,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.00 : 7,978.28 = 2,396.30 : x
  2. Step 2: Convert to fraction form
    5,318.00/7,978.28 = 2,396.30/x
  3. Step 3: Cross multiply
    5,318.00x = 7,978.28 × 2,396.30
  4. Step 4: Simplify right side
    5,318.00x = 19,118,370.62
  5. Step 5: Solve for x
    x = 19,118,370.62/5,318.00
  6. Step 6: Final answer
    x = 3,595.03

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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.