Home / 4,703.20-7,045.04-2,107.96

Finding the Fourth Proportional to 4,703.20, 7,045.04 and 2,107.96

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Solution

The fourth proportional to 4,703.20, 7,045.04 and 2,107.96 is: 3,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.20 : 7,045.04 = 2,107.96 : x
  2. Step 2: Convert to fraction form
    4,703.20/7,045.04 = 2,107.96/x
  3. Step 3: Cross multiply
    4,703.20x = 7,045.04 × 2,107.96
  4. Step 4: Simplify right side
    4,703.20x = 14,850,662.52
  5. Step 5: Solve for x
    x = 14,850,662.52/4,703.20
  6. Step 6: Final answer
    x = 3,157.57

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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.