Home / 4,268.76-6,401.58-2,188.08

Finding the Fourth Proportional to 4,268.76, 6,401.58 and 2,188.08

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Solution

The fourth proportional to 4,268.76, 6,401.58 and 2,188.08 is: 3,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.76 : 6,401.58 = 2,188.08 : x
  2. Step 2: Convert to fraction form
    4,268.76/6,401.58 = 2,188.08/x
  3. Step 3: Cross multiply
    4,268.76x = 6,401.58 × 2,188.08
  4. Step 4: Simplify right side
    4,268.76x = 14,007,169.17
  5. Step 5: Solve for x
    x = 14,007,169.17/4,268.76
  6. Step 6: Final answer
    x = 3,281.32

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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.