Home / 5,485.87-8,232.45-2,564.41

Finding the Fourth Proportional to 5,485.87, 8,232.45 and 2,564.41

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Solution

The fourth proportional to 5,485.87, 8,232.45 and 2,564.41 is: 3,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.87 : 8,232.45 = 2,564.41 : x
  2. Step 2: Convert to fraction form
    5,485.87/8,232.45 = 2,564.41/x
  3. Step 3: Cross multiply
    5,485.87x = 8,232.45 × 2,564.41
  4. Step 4: Simplify right side
    5,485.87x = 21,111,377.10
  5. Step 5: Solve for x
    x = 21,111,377.10/5,485.87
  6. Step 6: Final answer
    x = 3,848.32

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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.