Home / 5,015.06-6,920.21-2,776.75

Finding the Fourth Proportional to 5,015.06, 6,920.21 and 2,776.75

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Solution

The fourth proportional to 5,015.06, 6,920.21 and 2,776.75 is: 3,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.06 : 6,920.21 = 2,776.75 : x
  2. Step 2: Convert to fraction form
    5,015.06/6,920.21 = 2,776.75/x
  3. Step 3: Cross multiply
    5,015.06x = 6,920.21 × 2,776.75
  4. Step 4: Simplify right side
    5,015.06x = 19,215,661.93
  5. Step 5: Solve for x
    x = 19,215,661.93/5,015.06
  6. Step 6: Final answer
    x = 3,831.60

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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.