Home / 4,815.12-7,223.16-1,736.88

Finding the Fourth Proportional to 4,815.12, 7,223.16 and 1,736.88

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Solution

The fourth proportional to 4,815.12, 7,223.16 and 1,736.88 is: 2,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.12 : 7,223.16 = 1,736.88 : x
  2. Step 2: Convert to fraction form
    4,815.12/7,223.16 = 1,736.88/x
  3. Step 3: Cross multiply
    4,815.12x = 7,223.16 × 1,736.88
  4. Step 4: Simplify right side
    4,815.12x = 12,545,762.14
  5. Step 5: Solve for x
    x = 12,545,762.14/4,815.12
  6. Step 6: Final answer
    x = 2,605.49

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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.