Home / 5,216.10-7,195.80-4,619.20

Finding the Fourth Proportional to 5,216.10, 7,195.80 and 4,619.20

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Solution

The fourth proportional to 5,216.10, 7,195.80 and 4,619.20 is: 6,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.10 : 7,195.80 = 4,619.20 : x
  2. Step 2: Convert to fraction form
    5,216.10/7,195.80 = 4,619.20/x
  3. Step 3: Cross multiply
    5,216.10x = 7,195.80 × 4,619.20
  4. Step 4: Simplify right side
    5,216.10x = 33,238,850.91
  5. Step 5: Solve for x
    x = 33,238,850.91/5,216.10
  6. Step 6: Final answer
    x = 6,372.36

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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.