Home / 5,135.55-7,705.69-2,016.38

Finding the Fourth Proportional to 5,135.55, 7,705.69 and 2,016.38

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Solution

The fourth proportional to 5,135.55, 7,705.69 and 2,016.38 is: 3,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.55 : 7,705.69 = 2,016.38 : x
  2. Step 2: Convert to fraction form
    5,135.55/7,705.69 = 2,016.38/x
  3. Step 3: Cross multiply
    5,135.55x = 7,705.69 × 2,016.38
  4. Step 4: Simplify right side
    5,135.55x = 15,537,613.43
  5. Step 5: Solve for x
    x = 15,537,613.43/5,135.55
  6. Step 6: Final answer
    x = 3,025.50

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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.