Home / 3,928.12-5,887.08-3,000.28

Finding the Fourth Proportional to 3,928.12, 5,887.08 and 3,000.28

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Solution

The fourth proportional to 3,928.12, 5,887.08 and 3,000.28 is: 4,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.12 : 5,887.08 = 3,000.28 : x
  2. Step 2: Convert to fraction form
    3,928.12/5,887.08 = 3,000.28/x
  3. Step 3: Cross multiply
    3,928.12x = 5,887.08 × 3,000.28
  4. Step 4: Simplify right side
    3,928.12x = 17,662,888.38
  5. Step 5: Solve for x
    x = 17,662,888.38/3,928.12
  6. Step 6: Final answer
    x = 4,496.52

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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.