Home / 5,810.07-8,712.37-2,109.69

Finding the Fourth Proportional to 5,810.07, 8,712.37 and 2,109.69

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Solution

The fourth proportional to 5,810.07, 8,712.37 and 2,109.69 is: 3,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.07 : 8,712.37 = 2,109.69 : x
  2. Step 2: Convert to fraction form
    5,810.07/8,712.37 = 2,109.69/x
  3. Step 3: Cross multiply
    5,810.07x = 8,712.37 × 2,109.69
  4. Step 4: Simplify right side
    5,810.07x = 18,380,394.59
  5. Step 5: Solve for x
    x = 18,380,394.59/5,810.07
  6. Step 6: Final answer
    x = 3,163.54

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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.