Home / 4,895.72-6,755.76-2,905.55

Finding the Fourth Proportional to 4,895.72, 6,755.76 and 2,905.55

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Solution

The fourth proportional to 4,895.72, 6,755.76 and 2,905.55 is: 4,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.72 : 6,755.76 = 2,905.55 : x
  2. Step 2: Convert to fraction form
    4,895.72/6,755.76 = 2,905.55/x
  3. Step 3: Cross multiply
    4,895.72x = 6,755.76 × 2,905.55
  4. Step 4: Simplify right side
    4,895.72x = 19,629,164.69
  5. Step 5: Solve for x
    x = 19,629,164.69/4,895.72
  6. Step 6: Final answer
    x = 4,009.46

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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.