Home / 5,014.37-6,919.78-2,776.31

Finding the Fourth Proportional to 5,014.37, 6,919.78 and 2,776.31

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Solution

The fourth proportional to 5,014.37, 6,919.78 and 2,776.31 is: 3,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.37 : 6,919.78 = 2,776.31 : x
  2. Step 2: Convert to fraction form
    5,014.37/6,919.78 = 2,776.31/x
  3. Step 3: Cross multiply
    5,014.37x = 6,919.78 × 2,776.31
  4. Step 4: Simplify right side
    5,014.37x = 19,211,405.93
  5. Step 5: Solve for x
    x = 19,211,405.93/5,014.37
  6. Step 6: Final answer
    x = 3,831.27

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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.