Home / 7,529.25-10,389.94-4,172.01

Finding the Fourth Proportional to 7,529.25, 10,389.94 and 4,172.01

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Solution

The fourth proportional to 7,529.25, 10,389.94 and 4,172.01 is: 5,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.25 : 10,389.94 = 4,172.01 : x
  2. Step 2: Convert to fraction form
    7,529.25/10,389.94 = 4,172.01/x
  3. Step 3: Cross multiply
    7,529.25x = 10,389.94 × 4,172.01
  4. Step 4: Simplify right side
    7,529.25x = 43,346,933.58
  5. Step 5: Solve for x
    x = 43,346,933.58/7,529.25
  6. Step 6: Final answer
    x = 5,757.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.