Home / 4,820.69-6,651.84-2,831.88

Finding the Fourth Proportional to 4,820.69, 6,651.84 and 2,831.88

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Solution

The fourth proportional to 4,820.69, 6,651.84 and 2,831.88 is: 3,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.69 : 6,651.84 = 2,831.88 : x
  2. Step 2: Convert to fraction form
    4,820.69/6,651.84 = 2,831.88/x
  3. Step 3: Cross multiply
    4,820.69x = 6,651.84 × 2,831.88
  4. Step 4: Simplify right side
    4,820.69x = 18,837,212.66
  5. Step 5: Solve for x
    x = 18,837,212.66/4,820.69
  6. Step 6: Final answer
    x = 3,907.58

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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.