Home / 9,219.21-13,831.56-4,291.77

Finding the Fourth Proportional to 9,219.21, 13,831.56 and 4,291.77

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Solution

The fourth proportional to 9,219.21, 13,831.56 and 4,291.77 is: 6,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.21 : 13,831.56 = 4,291.77 : x
  2. Step 2: Convert to fraction form
    9,219.21/13,831.56 = 4,291.77/x
  3. Step 3: Cross multiply
    9,219.21x = 13,831.56 × 4,291.77
  4. Step 4: Simplify right side
    9,219.21x = 59,361,874.26
  5. Step 5: Solve for x
    x = 59,361,874.26/9,219.21
  6. Step 6: Final answer
    x = 6,438.93

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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.