Home / 8,262.39-11,402.12-4,485.57

Finding the Fourth Proportional to 8,262.39, 11,402.12 and 4,485.57

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Solution

The fourth proportional to 8,262.39, 11,402.12 and 4,485.57 is: 6,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.39 : 11,402.12 = 4,485.57 : x
  2. Step 2: Convert to fraction form
    8,262.39/11,402.12 = 4,485.57/x
  3. Step 3: Cross multiply
    8,262.39x = 11,402.12 × 4,485.57
  4. Step 4: Simplify right side
    8,262.39x = 51,145,007.41
  5. Step 5: Solve for x
    x = 51,145,007.41/8,262.39
  6. Step 6: Final answer
    x = 6,190.10

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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.