Home / 8,239.25-12,357.56-2,692.55

Finding the Fourth Proportional to 8,239.25, 12,357.56 and 2,692.55

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Solution

The fourth proportional to 8,239.25, 12,357.56 and 2,692.55 is: 4,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.25 : 12,357.56 = 2,692.55 : x
  2. Step 2: Convert to fraction form
    8,239.25/12,357.56 = 2,692.55/x
  3. Step 3: Cross multiply
    8,239.25x = 12,357.56 × 2,692.55
  4. Step 4: Simplify right side
    8,239.25x = 33,273,348.18
  5. Step 5: Solve for x
    x = 33,273,348.18/8,239.25
  6. Step 6: Final answer
    x = 4,038.40

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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.