Home / 5,074.89-7,610.62-1,954.64

Finding the Fourth Proportional to 5,074.89, 7,610.62 and 1,954.64

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Solution

The fourth proportional to 5,074.89, 7,610.62 and 1,954.64 is: 2,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.89 : 7,610.62 = 1,954.64 : x
  2. Step 2: Convert to fraction form
    5,074.89/7,610.62 = 1,954.64/x
  3. Step 3: Cross multiply
    5,074.89x = 7,610.62 × 1,954.64
  4. Step 4: Simplify right side
    5,074.89x = 14,876,023.27
  5. Step 5: Solve for x
    x = 14,876,023.27/5,074.89
  6. Step 6: Final answer
    x = 2,931.30

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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.