Home / 4,539.29-6,806.80-1,906.23

Finding the Fourth Proportional to 4,539.29, 6,806.80 and 1,906.23

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Solution

The fourth proportional to 4,539.29, 6,806.80 and 1,906.23 is: 2,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.29 : 6,806.80 = 1,906.23 : x
  2. Step 2: Convert to fraction form
    4,539.29/6,806.80 = 1,906.23/x
  3. Step 3: Cross multiply
    4,539.29x = 6,806.80 × 1,906.23
  4. Step 4: Simplify right side
    4,539.29x = 12,975,309.35
  5. Step 5: Solve for x
    x = 12,975,309.35/4,539.29
  6. Step 6: Final answer
    x = 2,858.45

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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.