Home / 5,708.06-7,877.87-3,190.70

Finding the Fourth Proportional to 5,708.06, 7,877.87 and 3,190.70

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Solution

The fourth proportional to 5,708.06, 7,877.87 and 3,190.70 is: 4,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.06 : 7,877.87 = 3,190.70 : x
  2. Step 2: Convert to fraction form
    5,708.06/7,877.87 = 3,190.70/x
  3. Step 3: Cross multiply
    5,708.06x = 7,877.87 × 3,190.70
  4. Step 4: Simplify right side
    5,708.06x = 25,135,888.40
  5. Step 5: Solve for x
    x = 25,135,888.40/5,708.06
  6. Step 6: Final answer
    x = 4,403.58

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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.