Home / 5,455.80-8,187.93-3,606.30

Finding the Fourth Proportional to 5,455.80, 8,187.93 and 3,606.30

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Solution

The fourth proportional to 5,455.80, 8,187.93 and 3,606.30 is: 5,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.80 : 8,187.93 = 3,606.30 : x
  2. Step 2: Convert to fraction form
    5,455.80/8,187.93 = 3,606.30/x
  3. Step 3: Cross multiply
    5,455.80x = 8,187.93 × 3,606.30
  4. Step 4: Simplify right side
    5,455.80x = 29,528,131.96
  5. Step 5: Solve for x
    x = 29,528,131.96/5,455.80
  6. Step 6: Final answer
    x = 5,412.25

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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.