Home / 4,755.14-7,133.93-1,980.89

Finding the Fourth Proportional to 4,755.14, 7,133.93 and 1,980.89

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Solution

The fourth proportional to 4,755.14, 7,133.93 and 1,980.89 is: 2,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.14 : 7,133.93 = 1,980.89 : x
  2. Step 2: Convert to fraction form
    4,755.14/7,133.93 = 1,980.89/x
  3. Step 3: Cross multiply
    4,755.14x = 7,133.93 × 1,980.89
  4. Step 4: Simplify right side
    4,755.14x = 14,131,530.60
  5. Step 5: Solve for x
    x = 14,131,530.60/4,755.14
  6. Step 6: Final answer
    x = 2,971.84

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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.