Home / 8,121.37-11,206.47-4,583.98

Finding the Fourth Proportional to 8,121.37, 11,206.47 and 4,583.98

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Solution

The fourth proportional to 8,121.37, 11,206.47 and 4,583.98 is: 6,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.37 : 11,206.47 = 4,583.98 : x
  2. Step 2: Convert to fraction form
    8,121.37/11,206.47 = 4,583.98/x
  3. Step 3: Cross multiply
    8,121.37x = 11,206.47 × 4,583.98
  4. Step 4: Simplify right side
    8,121.37x = 51,370,234.35
  5. Step 5: Solve for x
    x = 51,370,234.35/8,121.37
  6. Step 6: Final answer
    x = 6,325.32

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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.