Home / 4,775.09-7,161.41-1,486.49

Finding the Fourth Proportional to 4,775.09, 7,161.41 and 1,486.49

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Solution

The fourth proportional to 4,775.09, 7,161.41 and 1,486.49 is: 2,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.09 : 7,161.41 = 1,486.49 : x
  2. Step 2: Convert to fraction form
    4,775.09/7,161.41 = 1,486.49/x
  3. Step 3: Cross multiply
    4,775.09x = 7,161.41 × 1,486.49
  4. Step 4: Simplify right side
    4,775.09x = 10,645,364.35
  5. Step 5: Solve for x
    x = 10,645,364.35/4,775.09
  6. Step 6: Final answer
    x = 2,229.35

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Double scale
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Similar ratio
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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.