Home / 7,799.60-11,692.20-2,866.52

Finding the Fourth Proportional to 7,799.60, 11,692.20 and 2,866.52

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Solution

The fourth proportional to 7,799.60, 11,692.20 and 2,866.52 is: 4,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.60 : 11,692.20 = 2,866.52 : x
  2. Step 2: Convert to fraction form
    7,799.60/11,692.20 = 2,866.52/x
  3. Step 3: Cross multiply
    7,799.60x = 11,692.20 × 2,866.52
  4. Step 4: Simplify right side
    7,799.60x = 33,515,925.14
  5. Step 5: Solve for x
    x = 33,515,925.14/7,799.60
  6. Step 6: Final answer
    x = 4,297.13

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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.