Home / 4,782.98-7,172.75-1,662.19

Finding the Fourth Proportional to 4,782.98, 7,172.75 and 1,662.19

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Solution

The fourth proportional to 4,782.98, 7,172.75 and 1,662.19 is: 2,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.98 : 7,172.75 = 1,662.19 : x
  2. Step 2: Convert to fraction form
    4,782.98/7,172.75 = 1,662.19/x
  3. Step 3: Cross multiply
    4,782.98x = 7,172.75 × 1,662.19
  4. Step 4: Simplify right side
    4,782.98x = 11,922,459.55
  5. Step 5: Solve for x
    x = 11,922,459.55/4,782.98
  6. Step 6: Final answer
    x = 2,492.68

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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.