Home / 4,180.68-6,269.46-1,257.98

Finding the Fourth Proportional to 4,180.68, 6,269.46 and 1,257.98

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Solution

The fourth proportional to 4,180.68, 6,269.46 and 1,257.98 is: 1,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.68 : 6,269.46 = 1,257.98 : x
  2. Step 2: Convert to fraction form
    4,180.68/6,269.46 = 1,257.98/x
  3. Step 3: Cross multiply
    4,180.68x = 6,269.46 × 1,257.98
  4. Step 4: Simplify right side
    4,180.68x = 7,886,855.29
  5. Step 5: Solve for x
    x = 7,886,855.29/4,180.68
  6. Step 6: Final answer
    x = 1,886.50

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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.