Home / 8,731.18-13,094.94-2,886.46

Finding the Fourth Proportional to 8,731.18, 13,094.94 and 2,886.46

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Solution

The fourth proportional to 8,731.18, 13,094.94 and 2,886.46 is: 4,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.18 : 13,094.94 = 2,886.46 : x
  2. Step 2: Convert to fraction form
    8,731.18/13,094.94 = 2,886.46/x
  3. Step 3: Cross multiply
    8,731.18x = 13,094.94 × 2,886.46
  4. Step 4: Simplify right side
    8,731.18x = 37,798,020.51
  5. Step 5: Solve for x
    x = 37,798,020.51/8,731.18
  6. Step 6: Final answer
    x = 4,329.09

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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.