Home / 4,145.15-6,218.01-1,223.57

Finding the Fourth Proportional to 4,145.15, 6,218.01 and 1,223.57

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Solution

The fourth proportional to 4,145.15, 6,218.01 and 1,223.57 is: 1,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.15 : 6,218.01 = 1,223.57 : x
  2. Step 2: Convert to fraction form
    4,145.15/6,218.01 = 1,223.57/x
  3. Step 3: Cross multiply
    4,145.15x = 6,218.01 × 1,223.57
  4. Step 4: Simplify right side
    4,145.15x = 7,608,170.50
  5. Step 5: Solve for x
    x = 7,608,170.50/4,145.15
  6. Step 6: Final answer
    x = 1,835.44

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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.