Home / 5,019.60-7,529.88-2,097.60

Finding the Fourth Proportional to 5,019.60, 7,529.88 and 2,097.60

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Solution

The fourth proportional to 5,019.60, 7,529.88 and 2,097.60 is: 3,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.60 : 7,529.88 = 2,097.60 : x
  2. Step 2: Convert to fraction form
    5,019.60/7,529.88 = 2,097.60/x
  3. Step 3: Cross multiply
    5,019.60x = 7,529.88 × 2,097.60
  4. Step 4: Simplify right side
    5,019.60x = 15,794,676.29
  5. Step 5: Solve for x
    x = 15,794,676.29/5,019.60
  6. Step 6: Final answer
    x = 3,146.60

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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.