Home / 8,692.24-13,055.84-5,189.10

Finding the Fourth Proportional to 8,692.24, 13,055.84 and 5,189.10

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Solution

The fourth proportional to 8,692.24, 13,055.84 and 5,189.10 is: 7,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.24 : 13,055.84 = 5,189.10 : x
  2. Step 2: Convert to fraction form
    8,692.24/13,055.84 = 5,189.10/x
  3. Step 3: Cross multiply
    8,692.24x = 13,055.84 × 5,189.10
  4. Step 4: Simplify right side
    8,692.24x = 67,748,059.34
  5. Step 5: Solve for x
    x = 67,748,059.34/8,692.24
  6. Step 6: Final answer
    x = 7,794.09

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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.