Home / 5,880.78-8,115.69-3,362.88

Finding the Fourth Proportional to 5,880.78, 8,115.69 and 3,362.88

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Solution

The fourth proportional to 5,880.78, 8,115.69 and 3,362.88 is: 4,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.78 : 8,115.69 = 3,362.88 : x
  2. Step 2: Convert to fraction form
    5,880.78/8,115.69 = 3,362.88/x
  3. Step 3: Cross multiply
    5,880.78x = 8,115.69 × 3,362.88
  4. Step 4: Simplify right side
    5,880.78x = 27,292,091.59
  5. Step 5: Solve for x
    x = 27,292,091.59/5,880.78
  6. Step 6: Final answer
    x = 4,640.90

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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.