Home / 4,265.12-6,396.60-1,923.80

Finding the Fourth Proportional to 4,265.12, 6,396.60 and 1,923.80

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Solution

The fourth proportional to 4,265.12, 6,396.60 and 1,923.80 is: 2,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.12 : 6,396.60 = 1,923.80 : x
  2. Step 2: Convert to fraction form
    4,265.12/6,396.60 = 1,923.80/x
  3. Step 3: Cross multiply
    4,265.12x = 6,396.60 × 1,923.80
  4. Step 4: Simplify right side
    4,265.12x = 12,305,779.08
  5. Step 5: Solve for x
    x = 12,305,779.08/4,265.12
  6. Step 6: Final answer
    x = 2,885.21

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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.