Home / 4,580.80-6,869.85-1,806.55

Finding the Fourth Proportional to 4,580.80, 6,869.85 and 1,806.55

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Solution

The fourth proportional to 4,580.80, 6,869.85 and 1,806.55 is: 2,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.80 : 6,869.85 = 1,806.55 : x
  2. Step 2: Convert to fraction form
    4,580.80/6,869.85 = 1,806.55/x
  3. Step 3: Cross multiply
    4,580.80x = 6,869.85 × 1,806.55
  4. Step 4: Simplify right side
    4,580.80x = 12,410,727.52
  5. Step 5: Solve for x
    x = 12,410,727.52/4,580.80
  6. Step 6: Final answer
    x = 2,709.29

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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.