Home / 5,077.56-7,615.08-1,956.36

Finding the Fourth Proportional to 5,077.56, 7,615.08 and 1,956.36

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Solution

The fourth proportional to 5,077.56, 7,615.08 and 1,956.36 is: 2,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.56 : 7,615.08 = 1,956.36 : x
  2. Step 2: Convert to fraction form
    5,077.56/7,615.08 = 1,956.36/x
  3. Step 3: Cross multiply
    5,077.56x = 7,615.08 × 1,956.36
  4. Step 4: Simplify right side
    5,077.56x = 14,897,837.91
  5. Step 5: Solve for x
    x = 14,897,837.91/5,077.56
  6. Step 6: Final answer
    x = 2,934.05

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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.