Home / 8,928.28-12,321.03-4,950

Finding the Fourth Proportional to 8,928.28, 12,321.03 and 4,950

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Solution

The fourth proportional to 8,928.28, 12,321.03 and 4,950 is: 6,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.28 : 12,321.03 = 4,950 : x
  2. Step 2: Convert to fraction form
    8,928.28/12,321.03 = 4,950/x
  3. Step 3: Cross multiply
    8,928.28x = 12,321.03 × 4,950
  4. Step 4: Simplify right side
    8,928.28x = 60,989,117.06
  5. Step 5: Solve for x
    x = 60,989,117.06/8,928.28
  6. Step 6: Final answer
    x = 6,831.00

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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.