Home / 4,930.42-7,394.82-1,643.08

Finding the Fourth Proportional to 4,930.42, 7,394.82 and 1,643.08

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Solution

The fourth proportional to 4,930.42, 7,394.82 and 1,643.08 is: 2,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.42 : 7,394.82 = 1,643.08 : x
  2. Step 2: Convert to fraction form
    4,930.42/7,394.82 = 1,643.08/x
  3. Step 3: Cross multiply
    4,930.42x = 7,394.82 × 1,643.08
  4. Step 4: Simplify right side
    4,930.42x = 12,150,280.85
  5. Step 5: Solve for x
    x = 12,150,280.85/4,930.42
  6. Step 6: Final answer
    x = 2,464.35

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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.