Home / 6,436.83-8,883.66-3,605.28

Finding the Fourth Proportional to 6,436.83, 8,883.66 and 3,605.28

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Solution

The fourth proportional to 6,436.83, 8,883.66 and 3,605.28 is: 4,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.83 : 8,883.66 = 3,605.28 : x
  2. Step 2: Convert to fraction form
    6,436.83/8,883.66 = 3,605.28/x
  3. Step 3: Cross multiply
    6,436.83x = 8,883.66 × 3,605.28
  4. Step 4: Simplify right side
    6,436.83x = 32,028,131.82
  5. Step 5: Solve for x
    x = 32,028,131.82/6,436.83
  6. Step 6: Final answer
    x = 4,975.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.