Home / 4,192.77-6,289.47-1,728.75

Finding the Fourth Proportional to 4,192.77, 6,289.47 and 1,728.75

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Solution

The fourth proportional to 4,192.77, 6,289.47 and 1,728.75 is: 2,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.77 : 6,289.47 = 1,728.75 : x
  2. Step 2: Convert to fraction form
    4,192.77/6,289.47 = 1,728.75/x
  3. Step 3: Cross multiply
    4,192.77x = 6,289.47 × 1,728.75
  4. Step 4: Simplify right side
    4,192.77x = 10,872,921.26
  5. Step 5: Solve for x
    x = 10,872,921.26/4,192.77
  6. Step 6: Final answer
    x = 2,593.25

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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.