Home / 6,170.81-8,518.53-3,935.75

Finding the Fourth Proportional to 6,170.81, 8,518.53 and 3,935.75

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Solution

The fourth proportional to 6,170.81, 8,518.53 and 3,935.75 is: 5,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.81 : 8,518.53 = 3,935.75 : x
  2. Step 2: Convert to fraction form
    6,170.81/8,518.53 = 3,935.75/x
  3. Step 3: Cross multiply
    6,170.81x = 8,518.53 × 3,935.75
  4. Step 4: Simplify right side
    6,170.81x = 33,526,804.45
  5. Step 5: Solve for x
    x = 33,526,804.45/6,170.81
  6. Step 6: Final answer
    x = 5,433.13

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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.