Home / 8,577.34-12,867.36-3,647

Finding the Fourth Proportional to 8,577.34, 12,867.36 and 3,647

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Solution

The fourth proportional to 8,577.34, 12,867.36 and 3,647 is: 5,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.34 : 12,867.36 = 3,647 : x
  2. Step 2: Convert to fraction form
    8,577.34/12,867.36 = 3,647/x
  3. Step 3: Cross multiply
    8,577.34x = 12,867.36 × 3,647
  4. Step 4: Simplify right side
    8,577.34x = 46,927,261.92
  5. Step 5: Solve for x
    x = 46,927,261.92/8,577.34
  6. Step 6: Final answer
    x = 5,471.07

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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.