Home / 5,515.04-8,272.41-1,355.01

Finding the Fourth Proportional to 5,515.04, 8,272.41 and 1,355.01

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Solution

The fourth proportional to 5,515.04, 8,272.41 and 1,355.01 is: 2,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.04 : 8,272.41 = 1,355.01 : x
  2. Step 2: Convert to fraction form
    5,515.04/8,272.41 = 1,355.01/x
  3. Step 3: Cross multiply
    5,515.04x = 8,272.41 × 1,355.01
  4. Step 4: Simplify right side
    5,515.04x = 11,209,198.27
  5. Step 5: Solve for x
    x = 11,209,198.27/5,515.04
  6. Step 6: Final answer
    x = 2,032.48

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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.