Home / 4,905.09-6,771.53-3,783.51

Finding the Fourth Proportional to 4,905.09, 6,771.53 and 3,783.51

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Solution

The fourth proportional to 4,905.09, 6,771.53 and 3,783.51 is: 5,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.09 : 6,771.53 = 3,783.51 : x
  2. Step 2: Convert to fraction form
    4,905.09/6,771.53 = 3,783.51/x
  3. Step 3: Cross multiply
    4,905.09x = 6,771.53 × 3,783.51
  4. Step 4: Simplify right side
    4,905.09x = 25,620,160.93
  5. Step 5: Solve for x
    x = 25,620,160.93/4,905.09
  6. Step 6: Final answer
    x = 5,223.18

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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.