Home / 4,268.30-6,403.32-1,803.12

Finding the Fourth Proportional to 4,268.30, 6,403.32 and 1,803.12

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Solution

The fourth proportional to 4,268.30, 6,403.32 and 1,803.12 is: 2,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.30 : 6,403.32 = 1,803.12 : x
  2. Step 2: Convert to fraction form
    4,268.30/6,403.32 = 1,803.12/x
  3. Step 3: Cross multiply
    4,268.30x = 6,403.32 × 1,803.12
  4. Step 4: Simplify right side
    4,268.30x = 11,545,954.36
  5. Step 5: Solve for x
    x = 11,545,954.36/4,268.30
  6. Step 6: Final answer
    x = 2,705.05

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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.