Home / 9,722.39-14,579.95-4,172.88

Finding the Fourth Proportional to 9,722.39, 14,579.95 and 4,172.88

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Solution

The fourth proportional to 9,722.39, 14,579.95 and 4,172.88 is: 6,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.39 : 14,579.95 = 4,172.88 : x
  2. Step 2: Convert to fraction form
    9,722.39/14,579.95 = 4,172.88/x
  3. Step 3: Cross multiply
    9,722.39x = 14,579.95 × 4,172.88
  4. Step 4: Simplify right side
    9,722.39x = 60,840,371.32
  5. Step 5: Solve for x
    x = 60,840,371.32/9,722.39
  6. Step 6: Final answer
    x = 6,257.76

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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.