Home / 4,949.90-6,831.48-2,854.04

Finding the Fourth Proportional to 4,949.90, 6,831.48 and 2,854.04

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Solution

The fourth proportional to 4,949.90, 6,831.48 and 2,854.04 is: 3,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.90 : 6,831.48 = 2,854.04 : x
  2. Step 2: Convert to fraction form
    4,949.90/6,831.48 = 2,854.04/x
  3. Step 3: Cross multiply
    4,949.90x = 6,831.48 × 2,854.04
  4. Step 4: Simplify right side
    4,949.90x = 19,497,317.18
  5. Step 5: Solve for x
    x = 19,497,317.18/4,949.90
  6. Step 6: Final answer
    x = 3,938.93

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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.