Home / 4,988.25-7,485.75-2,066.58

Finding the Fourth Proportional to 4,988.25, 7,485.75 and 2,066.58

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Solution

The fourth proportional to 4,988.25, 7,485.75 and 2,066.58 is: 3,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.25 : 7,485.75 = 2,066.58 : x
  2. Step 2: Convert to fraction form
    4,988.25/7,485.75 = 2,066.58/x
  3. Step 3: Cross multiply
    4,988.25x = 7,485.75 × 2,066.58
  4. Step 4: Simplify right side
    4,988.25x = 15,469,901.24
  5. Step 5: Solve for x
    x = 15,469,901.24/4,988.25
  6. Step 6: Final answer
    x = 3,101.27

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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.