Home / 9,389.90-14,087.28-3,546.56

Finding the Fourth Proportional to 9,389.90, 14,087.28 and 3,546.56

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Solution

The fourth proportional to 9,389.90, 14,087.28 and 3,546.56 is: 5,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.90 : 14,087.28 = 3,546.56 : x
  2. Step 2: Convert to fraction form
    9,389.90/14,087.28 = 3,546.56/x
  3. Step 3: Cross multiply
    9,389.90x = 14,087.28 × 3,546.56
  4. Step 4: Simplify right side
    9,389.90x = 49,961,313.32
  5. Step 5: Solve for x
    x = 49,961,313.32/9,389.90
  6. Step 6: Final answer
    x = 5,320.75

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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.