Home / 5,029.47-7,548.29-2,109.82

Finding the Fourth Proportional to 5,029.47, 7,548.29 and 2,109.82

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Solution

The fourth proportional to 5,029.47, 7,548.29 and 2,109.82 is: 3,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.47 : 7,548.29 = 2,109.82 : x
  2. Step 2: Convert to fraction form
    5,029.47/7,548.29 = 2,109.82/x
  3. Step 3: Cross multiply
    5,029.47x = 7,548.29 × 2,109.82
  4. Step 4: Simplify right side
    5,029.47x = 15,925,533.21
  5. Step 5: Solve for x
    x = 15,925,533.21/5,029.47
  6. Step 6: Final answer
    x = 3,166.44

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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.