Home / 5,303.78-7,956.68-2,141.47

Finding the Fourth Proportional to 5,303.78, 7,956.68 and 2,141.47

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Solution

The fourth proportional to 5,303.78, 7,956.68 and 2,141.47 is: 3,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.78 : 7,956.68 = 2,141.47 : x
  2. Step 2: Convert to fraction form
    5,303.78/7,956.68 = 2,141.47/x
  3. Step 3: Cross multiply
    5,303.78x = 7,956.68 × 2,141.47
  4. Step 4: Simplify right side
    5,303.78x = 17,038,991.52
  5. Step 5: Solve for x
    x = 17,038,991.52/5,303.78
  6. Step 6: Final answer
    x = 3,212.61

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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.