Home / 5,219.42-7,200.79-3,331.07

Finding the Fourth Proportional to 5,219.42, 7,200.79 and 3,331.07

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Solution

The fourth proportional to 5,219.42, 7,200.79 and 3,331.07 is: 4,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.42 : 7,200.79 = 3,331.07 : x
  2. Step 2: Convert to fraction form
    5,219.42/7,200.79 = 3,331.07/x
  3. Step 3: Cross multiply
    5,219.42x = 7,200.79 × 3,331.07
  4. Step 4: Simplify right side
    5,219.42x = 23,986,291.21
  5. Step 5: Solve for x
    x = 23,986,291.21/5,219.42
  6. Step 6: Final answer
    x = 4,595.59

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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.