Home / 4,137.60-6,205.92-1,215.84

Finding the Fourth Proportional to 4,137.60, 6,205.92 and 1,215.84

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Solution

The fourth proportional to 4,137.60, 6,205.92 and 1,215.84 is: 1,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.60 : 6,205.92 = 1,215.84 : x
  2. Step 2: Convert to fraction form
    4,137.60/6,205.92 = 1,215.84/x
  3. Step 3: Cross multiply
    4,137.60x = 6,205.92 × 1,215.84
  4. Step 4: Simplify right side
    4,137.60x = 7,545,405.77
  5. Step 5: Solve for x
    x = 7,545,405.77/4,137.60
  6. Step 6: Final answer
    x = 1,823.62

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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.