Home / 4,810.80-7,215.12-2,211.24

Finding the Fourth Proportional to 4,810.80, 7,215.12 and 2,211.24

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Solution

The fourth proportional to 4,810.80, 7,215.12 and 2,211.24 is: 3,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.80 : 7,215.12 = 2,211.24 : x
  2. Step 2: Convert to fraction form
    4,810.80/7,215.12 = 2,211.24/x
  3. Step 3: Cross multiply
    4,810.80x = 7,215.12 × 2,211.24
  4. Step 4: Simplify right side
    4,810.80x = 15,954,361.95
  5. Step 5: Solve for x
    x = 15,954,361.95/4,810.80
  6. Step 6: Final answer
    x = 3,316.36

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1.5x scale

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.