Home / 4,638.20-6,958.38-1,518.19

Finding the Fourth Proportional to 4,638.20, 6,958.38 and 1,518.19

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Solution

The fourth proportional to 4,638.20, 6,958.38 and 1,518.19 is: 2,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.20 : 6,958.38 = 1,518.19 : x
  2. Step 2: Convert to fraction form
    4,638.20/6,958.38 = 1,518.19/x
  3. Step 3: Cross multiply
    4,638.20x = 6,958.38 × 1,518.19
  4. Step 4: Simplify right side
    4,638.20x = 10,564,142.93
  5. Step 5: Solve for x
    x = 10,564,142.93/4,638.20
  6. Step 6: Final answer
    x = 2,277.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.