Home / 4,783.67-7,172.19-2,439.12

Finding the Fourth Proportional to 4,783.67, 7,172.19 and 2,439.12

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Solution

The fourth proportional to 4,783.67, 7,172.19 and 2,439.12 is: 3,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.67 : 7,172.19 = 2,439.12 : x
  2. Step 2: Convert to fraction form
    4,783.67/7,172.19 = 2,439.12/x
  3. Step 3: Cross multiply
    4,783.67x = 7,172.19 × 2,439.12
  4. Step 4: Simplify right side
    4,783.67x = 17,493,832.07
  5. Step 5: Solve for x
    x = 17,493,832.07/4,783.67
  6. Step 6: Final answer
    x = 3,656.99

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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.