Home / 5,708.58-7,877.81-3,190.69

Finding the Fourth Proportional to 5,708.58, 7,877.81 and 3,190.69

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Solution

The fourth proportional to 5,708.58, 7,877.81 and 3,190.69 is: 4,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.58 : 7,877.81 = 3,190.69 : x
  2. Step 2: Convert to fraction form
    5,708.58/7,877.81 = 3,190.69/x
  3. Step 3: Cross multiply
    5,708.58x = 7,877.81 × 3,190.69
  4. Step 4: Simplify right side
    5,708.58x = 25,135,647.72
  5. Step 5: Solve for x
    x = 25,135,647.72/5,708.58
  6. Step 6: Final answer
    x = 4,403.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.