Home / 4,712.72-7,065.88-2,213.04

Finding the Fourth Proportional to 4,712.72, 7,065.88 and 2,213.04

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Solution

The fourth proportional to 4,712.72, 7,065.88 and 2,213.04 is: 3,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.72 : 7,065.88 = 2,213.04 : x
  2. Step 2: Convert to fraction form
    4,712.72/7,065.88 = 2,213.04/x
  3. Step 3: Cross multiply
    4,712.72x = 7,065.88 × 2,213.04
  4. Step 4: Simplify right side
    4,712.72x = 15,637,075.08
  5. Step 5: Solve for x
    x = 15,637,075.08/4,712.72
  6. Step 6: Final answer
    x = 3,318.06

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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.