Home / 4,274.48-6,404.60-4,112.40

Finding the Fourth Proportional to 4,274.48, 6,404.60 and 4,112.40

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Solution

The fourth proportional to 4,274.48, 6,404.60 and 4,112.40 is: 6,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.48 : 6,404.60 = 4,112.40 : x
  2. Step 2: Convert to fraction form
    4,274.48/6,404.60 = 4,112.40/x
  3. Step 3: Cross multiply
    4,274.48x = 6,404.60 × 4,112.40
  4. Step 4: Simplify right side
    4,274.48x = 26,338,277.04
  5. Step 5: Solve for x
    x = 26,338,277.04/4,274.48
  6. Step 6: Final answer
    x = 6,161.75

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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.