Home / 6,455.43-9,682.23-2,072.31

Finding the Fourth Proportional to 6,455.43, 9,682.23 and 2,072.31

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Solution

The fourth proportional to 6,455.43, 9,682.23 and 2,072.31 is: 3,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.43 : 9,682.23 = 2,072.31 : x
  2. Step 2: Convert to fraction form
    6,455.43/9,682.23 = 2,072.31/x
  3. Step 3: Cross multiply
    6,455.43x = 9,682.23 × 2,072.31
  4. Step 4: Simplify right side
    6,455.43x = 20,064,582.05
  5. Step 5: Solve for x
    x = 20,064,582.05/6,455.43
  6. Step 6: Final answer
    x = 3,108.17

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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.