Home / 8,240.45-12,362.27-2,692.31

Finding the Fourth Proportional to 8,240.45, 12,362.27 and 2,692.31

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Solution

The fourth proportional to 8,240.45, 12,362.27 and 2,692.31 is: 4,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.45 : 12,362.27 = 2,692.31 : x
  2. Step 2: Convert to fraction form
    8,240.45/12,362.27 = 2,692.31/x
  3. Step 3: Cross multiply
    8,240.45x = 12,362.27 × 2,692.31
  4. Step 4: Simplify right side
    8,240.45x = 33,282,987.87
  5. Step 5: Solve for x
    x = 33,282,987.87/8,240.45
  6. Step 6: Final answer
    x = 4,038.98

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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.