Home / 5,457.22-7,530.61-3,218.58

Finding the Fourth Proportional to 5,457.22, 7,530.61 and 3,218.58

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Solution

The fourth proportional to 5,457.22, 7,530.61 and 3,218.58 is: 4,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.22 : 7,530.61 = 3,218.58 : x
  2. Step 2: Convert to fraction form
    5,457.22/7,530.61 = 3,218.58/x
  3. Step 3: Cross multiply
    5,457.22x = 7,530.61 × 3,218.58
  4. Step 4: Simplify right side
    5,457.22x = 24,237,870.73
  5. Step 5: Solve for x
    x = 24,237,870.73/5,457.22
  6. Step 6: Final answer
    x = 4,441.43

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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.