Home / 5,014.56-6,919.92-2,776.86

Finding the Fourth Proportional to 5,014.56, 6,919.92 and 2,776.86

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Solution

The fourth proportional to 5,014.56, 6,919.92 and 2,776.86 is: 3,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.56 : 6,919.92 = 2,776.86 : x
  2. Step 2: Convert to fraction form
    5,014.56/6,919.92 = 2,776.86/x
  3. Step 3: Cross multiply
    5,014.56x = 6,919.92 × 2,776.86
  4. Step 4: Simplify right side
    5,014.56x = 19,215,649.05
  5. Step 5: Solve for x
    x = 19,215,649.05/5,014.56
  6. Step 6: Final answer
    x = 3,831.97

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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.