Home / 4,814.82-7,219.68-2,215.50

Finding the Fourth Proportional to 4,814.82, 7,219.68 and 2,215.50

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Solution

The fourth proportional to 4,814.82, 7,219.68 and 2,215.50 is: 3,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.82 : 7,219.68 = 2,215.50 : x
  2. Step 2: Convert to fraction form
    4,814.82/7,219.68 = 2,215.50/x
  3. Step 3: Cross multiply
    4,814.82x = 7,219.68 × 2,215.50
  4. Step 4: Simplify right side
    4,814.82x = 15,995,201.04
  5. Step 5: Solve for x
    x = 15,995,201.04/4,814.82
  6. Step 6: Final answer
    x = 3,322.08

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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.