Home / 4,212.48-6,310.08-3,386.28

Finding the Fourth Proportional to 4,212.48, 6,310.08 and 3,386.28

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Solution

The fourth proportional to 4,212.48, 6,310.08 and 3,386.28 is: 5,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.48 : 6,310.08 = 3,386.28 : x
  2. Step 2: Convert to fraction form
    4,212.48/6,310.08 = 3,386.28/x
  3. Step 3: Cross multiply
    4,212.48x = 6,310.08 × 3,386.28
  4. Step 4: Simplify right side
    4,212.48x = 21,367,697.70
  5. Step 5: Solve for x
    x = 21,367,697.70/4,212.48
  6. Step 6: Final answer
    x = 5,072.47

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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.