Home / 5,140.89-7,091.58-3,459.33

Finding the Fourth Proportional to 5,140.89, 7,091.58 and 3,459.33

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Solution

The fourth proportional to 5,140.89, 7,091.58 and 3,459.33 is: 4,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.89 : 7,091.58 = 3,459.33 : x
  2. Step 2: Convert to fraction form
    5,140.89/7,091.58 = 3,459.33/x
  3. Step 3: Cross multiply
    5,140.89x = 7,091.58 × 3,459.33
  4. Step 4: Simplify right side
    5,140.89x = 24,532,115.44
  5. Step 5: Solve for x
    x = 24,532,115.44/5,140.89
  6. Step 6: Final answer
    x = 4,771.96

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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.