Home / 7,019.72-10,529.66-2,858.81

Finding the Fourth Proportional to 7,019.72, 10,529.66 and 2,858.81

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Solution

The fourth proportional to 7,019.72, 10,529.66 and 2,858.81 is: 4,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.72 : 10,529.66 = 2,858.81 : x
  2. Step 2: Convert to fraction form
    7,019.72/10,529.66 = 2,858.81/x
  3. Step 3: Cross multiply
    7,019.72x = 10,529.66 × 2,858.81
  4. Step 4: Simplify right side
    7,019.72x = 30,102,230.36
  5. Step 5: Solve for x
    x = 30,102,230.36/7,019.72
  6. Step 6: Final answer
    x = 4,288.24

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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.