Home / 5,511.65-7,603.16-3,491.50

Finding the Fourth Proportional to 5,511.65, 7,603.16 and 3,491.50

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Solution

The fourth proportional to 5,511.65, 7,603.16 and 3,491.50 is: 4,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.65 : 7,603.16 = 3,491.50 : x
  2. Step 2: Convert to fraction form
    5,511.65/7,603.16 = 3,491.50/x
  3. Step 3: Cross multiply
    5,511.65x = 7,603.16 × 3,491.50
  4. Step 4: Simplify right side
    5,511.65x = 26,546,415.78
  5. Step 5: Solve for x
    x = 26,546,415.78/5,511.65
  6. Step 6: Final answer
    x = 4,816.42

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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.