Home / 6,433.80-9,650.34-1,816.68

Finding the Fourth Proportional to 6,433.80, 9,650.34 and 1,816.68

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Solution

The fourth proportional to 6,433.80, 9,650.34 and 1,816.68 is: 2,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.80 : 9,650.34 = 1,816.68 : x
  2. Step 2: Convert to fraction form
    6,433.80/9,650.34 = 1,816.68/x
  3. Step 3: Cross multiply
    6,433.80x = 9,650.34 × 1,816.68
  4. Step 4: Simplify right side
    6,433.80x = 17,531,579.67
  5. Step 5: Solve for x
    x = 17,531,579.67/6,433.80
  6. Step 6: Final answer
    x = 2,724.92

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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.