Home / 4,814.64-7,216.92-2,215.44

Finding the Fourth Proportional to 4,814.64, 7,216.92 and 2,215.44

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Solution

The fourth proportional to 4,814.64, 7,216.92 and 2,215.44 is: 3,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.64 : 7,216.92 = 2,215.44 : x
  2. Step 2: Convert to fraction form
    4,814.64/7,216.92 = 2,215.44/x
  3. Step 3: Cross multiply
    4,814.64x = 7,216.92 × 2,215.44
  4. Step 4: Simplify right side
    4,814.64x = 15,988,653.24
  5. Step 5: Solve for x
    x = 15,988,653.24/4,814.64
  6. Step 6: Final answer
    x = 3,320.84

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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.