Home / 6,455.26-9,682.70-1,838.26

Finding the Fourth Proportional to 6,455.26, 9,682.70 and 1,838.26

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Solution

The fourth proportional to 6,455.26, 9,682.70 and 1,838.26 is: 2,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.26 : 9,682.70 = 1,838.26 : x
  2. Step 2: Convert to fraction form
    6,455.26/9,682.70 = 1,838.26/x
  3. Step 3: Cross multiply
    6,455.26x = 9,682.70 × 1,838.26
  4. Step 4: Simplify right side
    6,455.26x = 17,799,320.10
  5. Step 5: Solve for x
    x = 17,799,320.10/6,455.26
  6. Step 6: Final answer
    x = 2,757.34

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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.