Home / 4,820.37-6,651.41-2,831.57

Finding the Fourth Proportional to 4,820.37, 6,651.41 and 2,831.57

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Solution

The fourth proportional to 4,820.37, 6,651.41 and 2,831.57 is: 3,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.37 : 6,651.41 = 2,831.57 : x
  2. Step 2: Convert to fraction form
    4,820.37/6,651.41 = 2,831.57/x
  3. Step 3: Cross multiply
    4,820.37x = 6,651.41 × 2,831.57
  4. Step 4: Simplify right side
    4,820.37x = 18,833,918.86
  5. Step 5: Solve for x
    x = 18,833,918.86/4,820.37
  6. Step 6: Final answer
    x = 3,907.15

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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.