Home / 4,157.78-5,727.70-3,558.36

Finding the Fourth Proportional to 4,157.78, 5,727.70 and 3,558.36

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Solution

The fourth proportional to 4,157.78, 5,727.70 and 3,558.36 is: 4,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.78 : 5,727.70 = 3,558.36 : x
  2. Step 2: Convert to fraction form
    4,157.78/5,727.70 = 3,558.36/x
  3. Step 3: Cross multiply
    4,157.78x = 5,727.70 × 3,558.36
  4. Step 4: Simplify right side
    4,157.78x = 20,381,209.91
  5. Step 5: Solve for x
    x = 20,381,209.91/4,157.78
  6. Step 6: Final answer
    x = 4,901.94

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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.