Home / 4,830.47-7,244.16-2,489.75

Finding the Fourth Proportional to 4,830.47, 7,244.16 and 2,489.75

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Solution

The fourth proportional to 4,830.47, 7,244.16 and 2,489.75 is: 3,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.47 : 7,244.16 = 2,489.75 : x
  2. Step 2: Convert to fraction form
    4,830.47/7,244.16 = 2,489.75/x
  3. Step 3: Cross multiply
    4,830.47x = 7,244.16 × 2,489.75
  4. Step 4: Simplify right side
    4,830.47x = 18,036,111.14
  5. Step 5: Solve for x
    x = 18,036,111.14/4,830.47
  6. Step 6: Final answer
    x = 3,733.83

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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.