Home / 4,930.67-7,396.05-1,643.75

Finding the Fourth Proportional to 4,930.67, 7,396.05 and 1,643.75

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Solution

The fourth proportional to 4,930.67, 7,396.05 and 1,643.75 is: 2,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.67 : 7,396.05 = 1,643.75 : x
  2. Step 2: Convert to fraction form
    4,930.67/7,396.05 = 1,643.75/x
  3. Step 3: Cross multiply
    4,930.67x = 7,396.05 × 1,643.75
  4. Step 4: Simplify right side
    4,930.67x = 12,157,257.19
  5. Step 5: Solve for x
    x = 12,157,257.19/4,930.67
  6. Step 6: Final answer
    x = 2,465.64

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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.