Home / 4,243.80-6,366.66-1,777.32

Finding the Fourth Proportional to 4,243.80, 6,366.66 and 1,777.32

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Solution

The fourth proportional to 4,243.80, 6,366.66 and 1,777.32 is: 2,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.80 : 6,366.66 = 1,777.32 : x
  2. Step 2: Convert to fraction form
    4,243.80/6,366.66 = 1,777.32/x
  3. Step 3: Cross multiply
    4,243.80x = 6,366.66 × 1,777.32
  4. Step 4: Simplify right side
    4,243.80x = 11,315,592.15
  5. Step 5: Solve for x
    x = 11,315,592.15/4,243.80
  6. Step 6: Final answer
    x = 2,666.38

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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.