Home / 4,268.85-6,405.21-1,927.59

Finding the Fourth Proportional to 4,268.85, 6,405.21 and 1,927.59

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Solution

The fourth proportional to 4,268.85, 6,405.21 and 1,927.59 is: 2,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.85 : 6,405.21 = 1,927.59 : x
  2. Step 2: Convert to fraction form
    4,268.85/6,405.21 = 1,927.59/x
  3. Step 3: Cross multiply
    4,268.85x = 6,405.21 × 1,927.59
  4. Step 4: Simplify right side
    4,268.85x = 12,346,618.74
  5. Step 5: Solve for x
    x = 12,346,618.74/4,268.85
  6. Step 6: Final answer
    x = 2,892.26

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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.