Home / 8,880.48-13,321.44-3,689.76

Finding the Fourth Proportional to 8,880.48, 13,321.44 and 3,689.76

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Solution

The fourth proportional to 8,880.48, 13,321.44 and 3,689.76 is: 5,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.48 : 13,321.44 = 3,689.76 : x
  2. Step 2: Convert to fraction form
    8,880.48/13,321.44 = 3,689.76/x
  3. Step 3: Cross multiply
    8,880.48x = 13,321.44 × 3,689.76
  4. Step 4: Simplify right side
    8,880.48x = 49,152,916.45
  5. Step 5: Solve for x
    x = 49,152,916.45/8,880.48
  6. Step 6: Final answer
    x = 5,534.94

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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.