Home / 4,831.44-7,242.84-4,127.28

Finding the Fourth Proportional to 4,831.44, 7,242.84 and 4,127.28

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Solution

The fourth proportional to 4,831.44, 7,242.84 and 4,127.28 is: 6,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.44 : 7,242.84 = 4,127.28 : x
  2. Step 2: Convert to fraction form
    4,831.44/7,242.84 = 4,127.28/x
  3. Step 3: Cross multiply
    4,831.44x = 7,242.84 × 4,127.28
  4. Step 4: Simplify right side
    4,831.44x = 29,893,228.68
  5. Step 5: Solve for x
    x = 29,893,228.68/4,831.44
  6. Step 6: Final answer
    x = 6,187.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.