Home / 4,989.54-6,884.38-3,000.18

Finding the Fourth Proportional to 4,989.54, 6,884.38 and 3,000.18

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Solution

The fourth proportional to 4,989.54, 6,884.38 and 3,000.18 is: 4,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.54 : 6,884.38 = 3,000.18 : x
  2. Step 2: Convert to fraction form
    4,989.54/6,884.38 = 3,000.18/x
  3. Step 3: Cross multiply
    4,989.54x = 6,884.38 × 3,000.18
  4. Step 4: Simplify right side
    4,989.54x = 20,654,379.19
  5. Step 5: Solve for x
    x = 20,654,379.19/4,989.54
  6. Step 6: Final answer
    x = 4,139.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.