Home / 4,455.27-6,684.12-1,857.60

Finding the Fourth Proportional to 4,455.27, 6,684.12 and 1,857.60

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Solution

The fourth proportional to 4,455.27, 6,684.12 and 1,857.60 is: 2,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.27 : 6,684.12 = 1,857.60 : x
  2. Step 2: Convert to fraction form
    4,455.27/6,684.12 = 1,857.60/x
  3. Step 3: Cross multiply
    4,455.27x = 6,684.12 × 1,857.60
  4. Step 4: Simplify right side
    4,455.27x = 12,416,421.31
  5. Step 5: Solve for x
    x = 12,416,421.31/4,455.27
  6. Step 6: Final answer
    x = 2,786.91

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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.