Home / 4,626.35-6,378.80-3,211.26

Finding the Fourth Proportional to 4,626.35, 6,378.80 and 3,211.26

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Solution

The fourth proportional to 4,626.35, 6,378.80 and 3,211.26 is: 4,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.35 : 6,378.80 = 3,211.26 : x
  2. Step 2: Convert to fraction form
    4,626.35/6,378.80 = 3,211.26/x
  3. Step 3: Cross multiply
    4,626.35x = 6,378.80 × 3,211.26
  4. Step 4: Simplify right side
    4,626.35x = 20,483,985.29
  5. Step 5: Solve for x
    x = 20,483,985.29/4,626.35
  6. Step 6: Final answer
    x = 4,427.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.