Home / 5,014.20-6,919.66-3,126.54

Finding the Fourth Proportional to 5,014.20, 6,919.66 and 3,126.54

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Solution

The fourth proportional to 5,014.20, 6,919.66 and 3,126.54 is: 4,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.20 : 6,919.66 = 3,126.54 : x
  2. Step 2: Convert to fraction form
    5,014.20/6,919.66 = 3,126.54/x
  3. Step 3: Cross multiply
    5,014.20x = 6,919.66 × 3,126.54
  4. Step 4: Simplify right side
    5,014.20x = 21,634,593.78
  5. Step 5: Solve for x
    x = 21,634,593.78/5,014.20
  6. Step 6: Final answer
    x = 4,314.67

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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.