Home / 4,145.83-6,218.74-1,223.91

Finding the Fourth Proportional to 4,145.83, 6,218.74 and 1,223.91

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Solution

The fourth proportional to 4,145.83, 6,218.74 and 1,223.91 is: 1,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.83 : 6,218.74 = 1,223.91 : x
  2. Step 2: Convert to fraction form
    4,145.83/6,218.74 = 1,223.91/x
  3. Step 3: Cross multiply
    4,145.83x = 6,218.74 × 1,223.91
  4. Step 4: Simplify right side
    4,145.83x = 7,611,178.07
  5. Step 5: Solve for x
    x = 7,611,178.07/4,145.83
  6. Step 6: Final answer
    x = 1,835.86

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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.