Home / 4,146.32-6,218.80-1,223.95

Finding the Fourth Proportional to 4,146.32, 6,218.80 and 1,223.95

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Solution

The fourth proportional to 4,146.32, 6,218.80 and 1,223.95 is: 1,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.32 : 6,218.80 = 1,223.95 : x
  2. Step 2: Convert to fraction form
    4,146.32/6,218.80 = 1,223.95/x
  3. Step 3: Cross multiply
    4,146.32x = 6,218.80 × 1,223.95
  4. Step 4: Simplify right side
    4,146.32x = 7,611,500.26
  5. Step 5: Solve for x
    x = 7,611,500.26/4,146.32
  6. Step 6: Final answer
    x = 1,835.72

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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.