Home / 7,345.07-11,017.62-5,163.56

Finding the Fourth Proportional to 7,345.07, 11,017.62 and 5,163.56

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Solution

The fourth proportional to 7,345.07, 11,017.62 and 5,163.56 is: 7,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.07 : 11,017.62 = 5,163.56 : x
  2. Step 2: Convert to fraction form
    7,345.07/11,017.62 = 5,163.56/x
  3. Step 3: Cross multiply
    7,345.07x = 11,017.62 × 5,163.56
  4. Step 4: Simplify right side
    7,345.07x = 56,890,141.93
  5. Step 5: Solve for x
    x = 56,890,141.93/7,345.07
  6. Step 6: Final answer
    x = 7,745.35

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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.