Home / 5,072.32-7,000.96-3,300.80

Finding the Fourth Proportional to 5,072.32, 7,000.96 and 3,300.80

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Solution

The fourth proportional to 5,072.32, 7,000.96 and 3,300.80 is: 4,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.32 : 7,000.96 = 3,300.80 : x
  2. Step 2: Convert to fraction form
    5,072.32/7,000.96 = 3,300.80/x
  3. Step 3: Cross multiply
    5,072.32x = 7,000.96 × 3,300.80
  4. Step 4: Simplify right side
    5,072.32x = 23,108,768.77
  5. Step 5: Solve for x
    x = 23,108,768.77/5,072.32
  6. Step 6: Final answer
    x = 4,555.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.