Home / 8,577.58-12,868.36-3,647.38

Finding the Fourth Proportional to 8,577.58, 12,868.36 and 3,647.38

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Solution

The fourth proportional to 8,577.58, 12,868.36 and 3,647.38 is: 5,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.58 : 12,868.36 = 3,647.38 : x
  2. Step 2: Convert to fraction form
    8,577.58/12,868.36 = 3,647.38/x
  3. Step 3: Cross multiply
    8,577.58x = 12,868.36 × 3,647.38
  4. Step 4: Simplify right side
    8,577.58x = 46,935,798.90
  5. Step 5: Solve for x
    x = 46,935,798.90/8,577.58
  6. Step 6: Final answer
    x = 5,471.92

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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.