Home / 4,821.04-7,226.12-2,188.08

Finding the Fourth Proportional to 4,821.04, 7,226.12 and 2,188.08

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Solution

The fourth proportional to 4,821.04, 7,226.12 and 2,188.08 is: 3,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.04 : 7,226.12 = 2,188.08 : x
  2. Step 2: Convert to fraction form
    4,821.04/7,226.12 = 2,188.08/x
  3. Step 3: Cross multiply
    4,821.04x = 7,226.12 × 2,188.08
  4. Step 4: Simplify right side
    4,821.04x = 15,811,328.65
  5. Step 5: Solve for x
    x = 15,811,328.65/4,821.04
  6. Step 6: Final answer
    x = 3,279.65

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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.