Home / 4,914.81-6,782.54-3,853.85

Finding the Fourth Proportional to 4,914.81, 6,782.54 and 3,853.85

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Solution

The fourth proportional to 4,914.81, 6,782.54 and 3,853.85 is: 5,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.81 : 6,782.54 = 3,853.85 : x
  2. Step 2: Convert to fraction form
    4,914.81/6,782.54 = 3,853.85/x
  3. Step 3: Cross multiply
    4,914.81x = 6,782.54 × 3,853.85
  4. Step 4: Simplify right side
    4,914.81x = 26,138,838.60
  5. Step 5: Solve for x
    x = 26,138,838.60/4,914.81
  6. Step 6: Final answer
    x = 5,318.38

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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.