Home / 4,715.29-6,511.47-3,040.61

Finding the Fourth Proportional to 4,715.29, 6,511.47 and 3,040.61

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Solution

The fourth proportional to 4,715.29, 6,511.47 and 3,040.61 is: 4,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.29 : 6,511.47 = 3,040.61 : x
  2. Step 2: Convert to fraction form
    4,715.29/6,511.47 = 3,040.61/x
  3. Step 3: Cross multiply
    4,715.29x = 6,511.47 × 3,040.61
  4. Step 4: Simplify right side
    4,715.29x = 19,798,840.80
  5. Step 5: Solve for x
    x = 19,798,840.80/4,715.29
  6. Step 6: Final answer
    x = 4,198.86

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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.