Home / 4,119.77-6,180.24-1,345.57

Finding the Fourth Proportional to 4,119.77, 6,180.24 and 1,345.57

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Solution

The fourth proportional to 4,119.77, 6,180.24 and 1,345.57 is: 2,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.77 : 6,180.24 = 1,345.57 : x
  2. Step 2: Convert to fraction form
    4,119.77/6,180.24 = 1,345.57/x
  3. Step 3: Cross multiply
    4,119.77x = 6,180.24 × 1,345.57
  4. Step 4: Simplify right side
    4,119.77x = 8,315,945.54
  5. Step 5: Solve for x
    x = 8,315,945.54/4,119.77
  6. Step 6: Final answer
    x = 2,018.55

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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.