Home / 6,436.23-8,883.15-3,783.77

Finding the Fourth Proportional to 6,436.23, 8,883.15 and 3,783.77

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Solution

The fourth proportional to 6,436.23, 8,883.15 and 3,783.77 is: 5,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.23 : 8,883.15 = 3,783.77 : x
  2. Step 2: Convert to fraction form
    6,436.23/8,883.15 = 3,783.77/x
  3. Step 3: Cross multiply
    6,436.23x = 8,883.15 × 3,783.77
  4. Step 4: Simplify right side
    6,436.23x = 33,611,777.56
  5. Step 5: Solve for x
    x = 33,611,777.56/6,436.23
  6. Step 6: Final answer
    x = 5,222.28

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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.