Home / 5,587.84-8,380.40-1,692.48

Finding the Fourth Proportional to 5,587.84, 8,380.40 and 1,692.48

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Solution

The fourth proportional to 5,587.84, 8,380.40 and 1,692.48 is: 2,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.84 : 8,380.40 = 1,692.48 : x
  2. Step 2: Convert to fraction form
    5,587.84/8,380.40 = 1,692.48/x
  3. Step 3: Cross multiply
    5,587.84x = 8,380.40 × 1,692.48
  4. Step 4: Simplify right side
    5,587.84x = 14,183,659.39
  5. Step 5: Solve for x
    x = 14,183,659.39/5,587.84
  6. Step 6: Final answer
    x = 2,538.31

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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.