Home / 8,959.05-13,427.64-5,055.39

Finding the Fourth Proportional to 8,959.05, 13,427.64 and 5,055.39

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Solution

The fourth proportional to 8,959.05, 13,427.64 and 5,055.39 is: 7,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.05 : 13,427.64 = 5,055.39 : x
  2. Step 2: Convert to fraction form
    8,959.05/13,427.64 = 5,055.39/x
  3. Step 3: Cross multiply
    8,959.05x = 13,427.64 × 5,055.39
  4. Step 4: Simplify right side
    8,959.05x = 67,881,956.98
  5. Step 5: Solve for x
    x = 67,881,956.98/8,959.05
  6. Step 6: Final answer
    x = 7,576.91

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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.