Home / 4,178.28-6,268.46-1,256.64

Finding the Fourth Proportional to 4,178.28, 6,268.46 and 1,256.64

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Solution

The fourth proportional to 4,178.28, 6,268.46 and 1,256.64 is: 1,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.28 : 6,268.46 = 1,256.64 : x
  2. Step 2: Convert to fraction form
    4,178.28/6,268.46 = 1,256.64/x
  3. Step 3: Cross multiply
    4,178.28x = 6,268.46 × 1,256.64
  4. Step 4: Simplify right side
    4,178.28x = 7,877,197.57
  5. Step 5: Solve for x
    x = 7,877,197.57/4,178.28
  6. Step 6: Final answer
    x = 1,885.27

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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.