Home / 7,004.42-10,509.03-2,390.66

Finding the Fourth Proportional to 7,004.42, 10,509.03 and 2,390.66

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Solution

The fourth proportional to 7,004.42, 10,509.03 and 2,390.66 is: 3,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.42 : 10,509.03 = 2,390.66 : x
  2. Step 2: Convert to fraction form
    7,004.42/10,509.03 = 2,390.66/x
  3. Step 3: Cross multiply
    7,004.42x = 10,509.03 × 2,390.66
  4. Step 4: Simplify right side
    7,004.42x = 25,123,517.66
  5. Step 5: Solve for x
    x = 25,123,517.66/7,004.42
  6. Step 6: Final answer
    x = 3,586.81

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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.