Home / 4,118.24-6,178.39-1,345.07

Finding the Fourth Proportional to 4,118.24, 6,178.39 and 1,345.07

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Solution

The fourth proportional to 4,118.24, 6,178.39 and 1,345.07 is: 2,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.24 : 6,178.39 = 1,345.07 : x
  2. Step 2: Convert to fraction form
    4,118.24/6,178.39 = 1,345.07/x
  3. Step 3: Cross multiply
    4,118.24x = 6,178.39 × 1,345.07
  4. Step 4: Simplify right side
    4,118.24x = 8,310,379.12
  5. Step 5: Solve for x
    x = 8,310,379.12/4,118.24
  6. Step 6: Final answer
    x = 2,017.94

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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.