Home / 9,387.37-14,078.62-2,814.22

Finding the Fourth Proportional to 9,387.37, 14,078.62 and 2,814.22

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Solution

The fourth proportional to 9,387.37, 14,078.62 and 2,814.22 is: 4,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.37 : 14,078.62 = 2,814.22 : x
  2. Step 2: Convert to fraction form
    9,387.37/14,078.62 = 2,814.22/x
  3. Step 3: Cross multiply
    9,387.37x = 14,078.62 × 2,814.22
  4. Step 4: Simplify right side
    9,387.37x = 39,620,333.98
  5. Step 5: Solve for x
    x = 39,620,333.98/9,387.37
  6. Step 6: Final answer
    x = 4,220.60

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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.