Home / 4,188.12-6,282.18-1,266.43

Finding the Fourth Proportional to 4,188.12, 6,282.18 and 1,266.43

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Solution

The fourth proportional to 4,188.12, 6,282.18 and 1,266.43 is: 1,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.12 : 6,282.18 = 1,266.43 : x
  2. Step 2: Convert to fraction form
    4,188.12/6,282.18 = 1,266.43/x
  3. Step 3: Cross multiply
    4,188.12x = 6,282.18 × 1,266.43
  4. Step 4: Simplify right side
    4,188.12x = 7,955,930.26
  5. Step 5: Solve for x
    x = 7,955,930.26/4,188.12
  6. Step 6: Final answer
    x = 1,899.64

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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.