Home / 6,391.03-8,827-4,262.86

Finding the Fourth Proportional to 6,391.03, 8,827 and 4,262.86

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Solution

The fourth proportional to 6,391.03, 8,827 and 4,262.86 is: 5,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.03 : 8,827 = 4,262.86 : x
  2. Step 2: Convert to fraction form
    6,391.03/8,827 = 4,262.86/x
  3. Step 3: Cross multiply
    6,391.03x = 8,827 × 4,262.86
  4. Step 4: Simplify right side
    6,391.03x = 37,628,265.22
  5. Step 5: Solve for x
    x = 37,628,265.22/6,391.03
  6. Step 6: Final answer
    x = 5,887.67

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1.5x scale

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.