Home / 4,999.36-7,497.60-1,489.20

Finding the Fourth Proportional to 4,999.36, 7,497.60 and 1,489.20

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Solution

The fourth proportional to 4,999.36, 7,497.60 and 1,489.20 is: 2,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.36 : 7,497.60 = 1,489.20 : x
  2. Step 2: Convert to fraction form
    4,999.36/7,497.60 = 1,489.20/x
  3. Step 3: Cross multiply
    4,999.36x = 7,497.60 × 1,489.20
  4. Step 4: Simplify right side
    4,999.36x = 11,165,425.92
  5. Step 5: Solve for x
    x = 11,165,425.92/4,999.36
  6. Step 6: Final answer
    x = 2,233.37

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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.