Home / 5,137.50-7,089.76-3,566.51

Finding the Fourth Proportional to 5,137.50, 7,089.76 and 3,566.51

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Solution

The fourth proportional to 5,137.50, 7,089.76 and 3,566.51 is: 4,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.50 : 7,089.76 = 3,566.51 : x
  2. Step 2: Convert to fraction form
    5,137.50/7,089.76 = 3,566.51/x
  3. Step 3: Cross multiply
    5,137.50x = 7,089.76 × 3,566.51
  4. Step 4: Simplify right side
    5,137.50x = 25,285,673.30
  5. Step 5: Solve for x
    x = 25,285,673.30/5,137.50
  6. Step 6: Final answer
    x = 4,921.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.