Home / 4,020.60-5,988.75-3,831.06

Finding the Fourth Proportional to 4,020.60, 5,988.75 and 3,831.06

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Solution

The fourth proportional to 4,020.60, 5,988.75 and 3,831.06 is: 5,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.60 : 5,988.75 = 3,831.06 : x
  2. Step 2: Convert to fraction form
    4,020.60/5,988.75 = 3,831.06/x
  3. Step 3: Cross multiply
    4,020.60x = 5,988.75 × 3,831.06
  4. Step 4: Simplify right side
    4,020.60x = 22,943,260.58
  5. Step 5: Solve for x
    x = 22,943,260.58/4,020.60
  6. Step 6: Final answer
    x = 5,706.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.