Home / 4,225.16-6,338.78-1,628.28

Finding the Fourth Proportional to 4,225.16, 6,338.78 and 1,628.28

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Solution

The fourth proportional to 4,225.16, 6,338.78 and 1,628.28 is: 2,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.16 : 6,338.78 = 1,628.28 : x
  2. Step 2: Convert to fraction form
    4,225.16/6,338.78 = 1,628.28/x
  3. Step 3: Cross multiply
    4,225.16x = 6,338.78 × 1,628.28
  4. Step 4: Simplify right side
    4,225.16x = 10,321,308.70
  5. Step 5: Solve for x
    x = 10,321,308.70/4,225.16
  6. Step 6: Final answer
    x = 2,442.82

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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.