Home / 5,078.34-7,615.48-1,956.60

Finding the Fourth Proportional to 5,078.34, 7,615.48 and 1,956.60

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Solution

The fourth proportional to 5,078.34, 7,615.48 and 1,956.60 is: 2,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.34 : 7,615.48 = 1,956.60 : x
  2. Step 2: Convert to fraction form
    5,078.34/7,615.48 = 1,956.60/x
  3. Step 3: Cross multiply
    5,078.34x = 7,615.48 × 1,956.60
  4. Step 4: Simplify right side
    5,078.34x = 14,900,448.17
  5. Step 5: Solve for x
    x = 14,900,448.17/5,078.34
  6. Step 6: Final answer
    x = 2,934.12

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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.