Home / 9,228.45-13,831.84-4,287.68

Finding the Fourth Proportional to 9,228.45, 13,831.84 and 4,287.68

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Solution

The fourth proportional to 9,228.45, 13,831.84 and 4,287.68 is: 6,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.45 : 13,831.84 = 4,287.68 : x
  2. Step 2: Convert to fraction form
    9,228.45/13,831.84 = 4,287.68/x
  3. Step 3: Cross multiply
    9,228.45x = 13,831.84 × 4,287.68
  4. Step 4: Simplify right side
    9,228.45x = 59,306,503.73
  5. Step 5: Solve for x
    x = 59,306,503.73/9,228.45
  6. Step 6: Final answer
    x = 6,426.49

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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.