Home / 4,814.45-6,623.12-3,928.31

Finding the Fourth Proportional to 4,814.45, 6,623.12 and 3,928.31

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Solution

The fourth proportional to 4,814.45, 6,623.12 and 3,928.31 is: 5,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.45 : 6,623.12 = 3,928.31 : x
  2. Step 2: Convert to fraction form
    4,814.45/6,623.12 = 3,928.31/x
  3. Step 3: Cross multiply
    4,814.45x = 6,623.12 × 3,928.31
  4. Step 4: Simplify right side
    4,814.45x = 26,017,645.23
  5. Step 5: Solve for x
    x = 26,017,645.23/4,814.45
  6. Step 6: Final answer
    x = 5,404.08

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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.