Home / 8,239.29-12,357.64-2,692.59

Finding the Fourth Proportional to 8,239.29, 12,357.64 and 2,692.59

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Solution

The fourth proportional to 8,239.29, 12,357.64 and 2,692.59 is: 4,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.29 : 12,357.64 = 2,692.59 : x
  2. Step 2: Convert to fraction form
    8,239.29/12,357.64 = 2,692.59/x
  3. Step 3: Cross multiply
    8,239.29x = 12,357.64 × 2,692.59
  4. Step 4: Simplify right side
    8,239.29x = 33,274,014.91
  5. Step 5: Solve for x
    x = 33,274,014.91/8,239.29
  6. Step 6: Final answer
    x = 4,038.46

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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.