Home / 8,146.37-12,220.62-2,303.12

Finding the Fourth Proportional to 8,146.37, 12,220.62 and 2,303.12

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Solution

The fourth proportional to 8,146.37, 12,220.62 and 2,303.12 is: 3,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.37 : 12,220.62 = 2,303.12 : x
  2. Step 2: Convert to fraction form
    8,146.37/12,220.62 = 2,303.12/x
  3. Step 3: Cross multiply
    8,146.37x = 12,220.62 × 2,303.12
  4. Step 4: Simplify right side
    8,146.37x = 28,145,542.82
  5. Step 5: Solve for x
    x = 28,145,542.82/8,146.37
  6. Step 6: Final answer
    x = 3,454.98

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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.