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Finding the Fourth Proportional to 4,999.97, 7,501.16 and 2,628.14

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Solution

The fourth proportional to 4,999.97, 7,501.16 and 2,628.14 is: 3,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.97 : 7,501.16 = 2,628.14 : x
  2. Step 2: Convert to fraction form
    4,999.97/7,501.16 = 2,628.14/x
  3. Step 3: Cross multiply
    4,999.97x = 7,501.16 × 2,628.14
  4. Step 4: Simplify right side
    4,999.97x = 19,714,048.00
  5. Step 5: Solve for x
    x = 19,714,048.00/4,999.97
  6. Step 6: Final answer
    x = 3,942.84

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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.