Home / 4,999.72-7,499.08-2,223.84

Finding the Fourth Proportional to 4,999.72, 7,499.08 and 2,223.84

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Solution

The fourth proportional to 4,999.72, 7,499.08 and 2,223.84 is: 3,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.72 : 7,499.08 = 2,223.84 : x
  2. Step 2: Convert to fraction form
    4,999.72/7,499.08 = 2,223.84/x
  3. Step 3: Cross multiply
    4,999.72x = 7,499.08 × 2,223.84
  4. Step 4: Simplify right side
    4,999.72x = 16,676,754.07
  5. Step 5: Solve for x
    x = 16,676,754.07/4,999.72
  6. Step 6: Final answer
    x = 3,335.54

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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.