Home / 4,831.60-6,667.08-2,842.80

Finding the Fourth Proportional to 4,831.60, 6,667.08 and 2,842.80

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Solution

The fourth proportional to 4,831.60, 6,667.08 and 2,842.80 is: 3,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.60 : 6,667.08 = 2,842.80 : x
  2. Step 2: Convert to fraction form
    4,831.60/6,667.08 = 2,842.80/x
  3. Step 3: Cross multiply
    4,831.60x = 6,667.08 × 2,842.80
  4. Step 4: Simplify right side
    4,831.60x = 18,953,175.02
  5. Step 5: Solve for x
    x = 18,953,175.02/4,831.60
  6. Step 6: Final answer
    x = 3,922.75

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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.