Home / 6,433.83-9,649.67-1,815.75

Finding the Fourth Proportional to 6,433.83, 9,649.67 and 1,815.75

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Solution

The fourth proportional to 6,433.83, 9,649.67 and 1,815.75 is: 2,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.83 : 9,649.67 = 1,815.75 : x
  2. Step 2: Convert to fraction form
    6,433.83/9,649.67 = 1,815.75/x
  3. Step 3: Cross multiply
    6,433.83x = 9,649.67 × 1,815.75
  4. Step 4: Simplify right side
    6,433.83x = 17,521,379.22
  5. Step 5: Solve for x
    x = 17,521,379.22/6,433.83
  6. Step 6: Final answer
    x = 2,723.32

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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.