Home / 8,238.84-12,358.37-2,692.14

Finding the Fourth Proportional to 8,238.84, 12,358.37 and 2,692.14

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Solution

The fourth proportional to 8,238.84, 12,358.37 and 2,692.14 is: 4,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.84 : 12,358.37 = 2,692.14 : x
  2. Step 2: Convert to fraction form
    8,238.84/12,358.37 = 2,692.14/x
  3. Step 3: Cross multiply
    8,238.84x = 12,358.37 × 2,692.14
  4. Step 4: Simplify right side
    8,238.84x = 33,270,462.21
  5. Step 5: Solve for x
    x = 33,270,462.21/8,238.84
  6. Step 6: Final answer
    x = 4,038.25

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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.