Home / 4,828.38-6,666.39-3,255.90

Finding the Fourth Proportional to 4,828.38, 6,666.39 and 3,255.90

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Solution

The fourth proportional to 4,828.38, 6,666.39 and 3,255.90 is: 4,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.38 : 6,666.39 = 3,255.90 : x
  2. Step 2: Convert to fraction form
    4,828.38/6,666.39 = 3,255.90/x
  3. Step 3: Cross multiply
    4,828.38x = 6,666.39 × 3,255.90
  4. Step 4: Simplify right side
    4,828.38x = 21,705,099.20
  5. Step 5: Solve for x
    x = 21,705,099.20/4,828.38
  6. Step 6: Final answer
    x = 4,495.32

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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.