Home / 4,119.37-6,179.61-1,345.08

Finding the Fourth Proportional to 4,119.37, 6,179.61 and 1,345.08

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Solution

The fourth proportional to 4,119.37, 6,179.61 and 1,345.08 is: 2,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.37 : 6,179.61 = 1,345.08 : x
  2. Step 2: Convert to fraction form
    4,119.37/6,179.61 = 1,345.08/x
  3. Step 3: Cross multiply
    4,119.37x = 6,179.61 × 1,345.08
  4. Step 4: Simplify right side
    4,119.37x = 8,312,069.82
  5. Step 5: Solve for x
    x = 8,312,069.82/4,119.37
  6. Step 6: Final answer
    x = 2,017.80

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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.