Home / 4,831.80-6,667.44-2,814.88

Finding the Fourth Proportional to 4,831.80, 6,667.44 and 2,814.88

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Solution

The fourth proportional to 4,831.80, 6,667.44 and 2,814.88 is: 3,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.80 : 6,667.44 = 2,814.88 : x
  2. Step 2: Convert to fraction form
    4,831.80/6,667.44 = 2,814.88/x
  3. Step 3: Cross multiply
    4,831.80x = 6,667.44 × 2,814.88
  4. Step 4: Simplify right side
    4,831.80x = 18,768,043.51
  5. Step 5: Solve for x
    x = 18,768,043.51/4,831.80
  6. Step 6: Final answer
    x = 3,884.28

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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.