Home / 4,723.80-7,085.94-1,436.64

Finding the Fourth Proportional to 4,723.80, 7,085.94 and 1,436.64

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Solution

The fourth proportional to 4,723.80, 7,085.94 and 1,436.64 is: 2,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.80 : 7,085.94 = 1,436.64 : x
  2. Step 2: Convert to fraction form
    4,723.80/7,085.94 = 1,436.64/x
  3. Step 3: Cross multiply
    4,723.80x = 7,085.94 × 1,436.64
  4. Step 4: Simplify right side
    4,723.80x = 10,179,909.41
  5. Step 5: Solve for x
    x = 10,179,909.41/4,723.80
  6. Step 6: Final answer
    x = 2,155.03

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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.