Home / 6,389.97-9,581.72-2,924.25

Finding the Fourth Proportional to 6,389.97, 9,581.72 and 2,924.25

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Solution

The fourth proportional to 6,389.97, 9,581.72 and 2,924.25 is: 4,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.97 : 9,581.72 = 2,924.25 : x
  2. Step 2: Convert to fraction form
    6,389.97/9,581.72 = 2,924.25/x
  3. Step 3: Cross multiply
    6,389.97x = 9,581.72 × 2,924.25
  4. Step 4: Simplify right side
    6,389.97x = 28,019,330.09
  5. Step 5: Solve for x
    x = 28,019,330.09/6,389.97
  6. Step 6: Final answer
    x = 4,384.89

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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.