Home / 5,455.80-7,530.66-3,217.50

Finding the Fourth Proportional to 5,455.80, 7,530.66 and 3,217.50

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Solution

The fourth proportional to 5,455.80, 7,530.66 and 3,217.50 is: 4,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.80 : 7,530.66 = 3,217.50 : x
  2. Step 2: Convert to fraction form
    5,455.80/7,530.66 = 3,217.50/x
  3. Step 3: Cross multiply
    5,455.80x = 7,530.66 × 3,217.50
  4. Step 4: Simplify right side
    5,455.80x = 24,229,898.55
  5. Step 5: Solve for x
    x = 24,229,898.55/5,455.80
  6. Step 6: Final answer
    x = 4,441.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.