Home / 5,418.12-7,477.02-3,322.20

Finding the Fourth Proportional to 5,418.12, 7,477.02 and 3,322.20

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Solution

The fourth proportional to 5,418.12, 7,477.02 and 3,322.20 is: 4,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.12 : 7,477.02 = 3,322.20 : x
  2. Step 2: Convert to fraction form
    5,418.12/7,477.02 = 3,322.20/x
  3. Step 3: Cross multiply
    5,418.12x = 7,477.02 × 3,322.20
  4. Step 4: Simplify right side
    5,418.12x = 24,840,155.84
  5. Step 5: Solve for x
    x = 24,840,155.84/5,418.12
  6. Step 6: Final answer
    x = 4,584.64

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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.