Home / 4,522.56-6,782.40-2,215.68

Finding the Fourth Proportional to 4,522.56, 6,782.40 and 2,215.68

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Solution

The fourth proportional to 4,522.56, 6,782.40 and 2,215.68 is: 3,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522.56 : 6,782.40 = 2,215.68 : x
  2. Step 2: Convert to fraction form
    4,522.56/6,782.40 = 2,215.68/x
  3. Step 3: Cross multiply
    4,522.56x = 6,782.40 × 2,215.68
  4. Step 4: Simplify right side
    4,522.56x = 15,027,628.03
  5. Step 5: Solve for x
    x = 15,027,628.03/4,522.56
  6. Step 6: Final answer
    x = 3,322.81

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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.