Home / 7,021.04-10,509.64-5,174.24

Finding the Fourth Proportional to 7,021.04, 10,509.64 and 5,174.24

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Solution

The fourth proportional to 7,021.04, 10,509.64 and 5,174.24 is: 7,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.04 : 10,509.64 = 5,174.24 : x
  2. Step 2: Convert to fraction form
    7,021.04/10,509.64 = 5,174.24/x
  3. Step 3: Cross multiply
    7,021.04x = 10,509.64 × 5,174.24
  4. Step 4: Simplify right side
    7,021.04x = 54,379,399.67
  5. Step 5: Solve for x
    x = 54,379,399.67/7,021.04
  6. Step 6: Final answer
    x = 7,745.21

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1.5x scale

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.