Home / 4,118.99-6,179.07-1,345.08

Finding the Fourth Proportional to 4,118.99, 6,179.07 and 1,345.08

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Solution

The fourth proportional to 4,118.99, 6,179.07 and 1,345.08 is: 2,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.99 : 6,179.07 = 1,345.08 : x
  2. Step 2: Convert to fraction form
    4,118.99/6,179.07 = 1,345.08/x
  3. Step 3: Cross multiply
    4,118.99x = 6,179.07 × 1,345.08
  4. Step 4: Simplify right side
    4,118.99x = 8,311,343.48
  5. Step 5: Solve for x
    x = 8,311,343.48/4,118.99
  6. Step 6: Final answer
    x = 2,017.81

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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.