Home / 7,852.42-11,781.19-3,692.85

Finding the Fourth Proportional to 7,852.42, 11,781.19 and 3,692.85

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Solution

The fourth proportional to 7,852.42, 11,781.19 and 3,692.85 is: 5,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.42 : 11,781.19 = 3,692.85 : x
  2. Step 2: Convert to fraction form
    7,852.42/11,781.19 = 3,692.85/x
  3. Step 3: Cross multiply
    7,852.42x = 11,781.19 × 3,692.85
  4. Step 4: Simplify right side
    7,852.42x = 43,506,108.59
  5. Step 5: Solve for x
    x = 43,506,108.59/7,852.42
  6. Step 6: Final answer
    x = 5,540.47

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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.