Home / 7,104.80-10,658.12-3,813.36

Finding the Fourth Proportional to 7,104.80, 10,658.12 and 3,813.36

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Solution

The fourth proportional to 7,104.80, 10,658.12 and 3,813.36 is: 5,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.80 : 10,658.12 = 3,813.36 : x
  2. Step 2: Convert to fraction form
    7,104.80/10,658.12 = 3,813.36/x
  3. Step 3: Cross multiply
    7,104.80x = 10,658.12 × 3,813.36
  4. Step 4: Simplify right side
    7,104.80x = 40,643,248.48
  5. Step 5: Solve for x
    x = 40,643,248.48/7,104.80
  6. Step 6: Final answer
    x = 5,720.53

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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.