Home / 7,218.52-9,954.96-4,561.30

Finding the Fourth Proportional to 7,218.52, 9,954.96 and 4,561.30

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Solution

The fourth proportional to 7,218.52, 9,954.96 and 4,561.30 is: 6,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.52 : 9,954.96 = 4,561.30 : x
  2. Step 2: Convert to fraction form
    7,218.52/9,954.96 = 4,561.30/x
  3. Step 3: Cross multiply
    7,218.52x = 9,954.96 × 4,561.30
  4. Step 4: Simplify right side
    7,218.52x = 45,407,559.05
  5. Step 5: Solve for x
    x = 45,407,559.05/7,218.52
  6. Step 6: Final answer
    x = 6,290.43

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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.