Home / 5,113.08-7,669.53-1,415.61

Finding the Fourth Proportional to 5,113.08, 7,669.53 and 1,415.61

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Solution

The fourth proportional to 5,113.08, 7,669.53 and 1,415.61 is: 2,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.08 : 7,669.53 = 1,415.61 : x
  2. Step 2: Convert to fraction form
    5,113.08/7,669.53 = 1,415.61/x
  3. Step 3: Cross multiply
    5,113.08x = 7,669.53 × 1,415.61
  4. Step 4: Simplify right side
    5,113.08x = 10,857,063.36
  5. Step 5: Solve for x
    x = 10,857,063.36/5,113.08
  6. Step 6: Final answer
    x = 2,123.39

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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.