Home / 5,511.92-7,606.28-3,153.90

Finding the Fourth Proportional to 5,511.92, 7,606.28 and 3,153.90

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Solution

The fourth proportional to 5,511.92, 7,606.28 and 3,153.90 is: 4,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.92 : 7,606.28 = 3,153.90 : x
  2. Step 2: Convert to fraction form
    5,511.92/7,606.28 = 3,153.90/x
  3. Step 3: Cross multiply
    5,511.92x = 7,606.28 × 3,153.90
  4. Step 4: Simplify right side
    5,511.92x = 23,989,430.72
  5. Step 5: Solve for x
    x = 23,989,430.72/5,511.92
  6. Step 6: Final answer
    x = 4,352.29

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1.5x scale

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.