Home / 4,772.80-7,162.00-1,999.26

Finding the Fourth Proportional to 4,772.80, 7,162.00 and 1,999.26

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Solution

The fourth proportional to 4,772.80, 7,162.00 and 1,999.26 is: 3,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.80 : 7,162.00 = 1,999.26 : x
  2. Step 2: Convert to fraction form
    4,772.80/7,162.00 = 1,999.26/x
  3. Step 3: Cross multiply
    4,772.80x = 7,162.00 × 1,999.26
  4. Step 4: Simplify right side
    4,772.80x = 14,318,695.12
  5. Step 5: Solve for x
    x = 14,318,695.12/4,772.80
  6. Step 6: Final answer
    x = 3,000.06

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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.