Home / 4,378.27-6,559.98-2,643.25

Finding the Fourth Proportional to 4,378.27, 6,559.98 and 2,643.25

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Solution

The fourth proportional to 4,378.27, 6,559.98 and 2,643.25 is: 3,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.27 : 6,559.98 = 2,643.25 : x
  2. Step 2: Convert to fraction form
    4,378.27/6,559.98 = 2,643.25/x
  3. Step 3: Cross multiply
    4,378.27x = 6,559.98 × 2,643.25
  4. Step 4: Simplify right side
    4,378.27x = 17,339,667.14
  5. Step 5: Solve for x
    x = 17,339,667.14/4,378.27
  6. Step 6: Final answer
    x = 3,960.39

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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.