Home / 8,584.48-12,877.28-3,389.92

Finding the Fourth Proportional to 8,584.48, 12,877.28 and 3,389.92

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Solution

The fourth proportional to 8,584.48, 12,877.28 and 3,389.92 is: 5,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.48 : 12,877.28 = 3,389.92 : x
  2. Step 2: Convert to fraction form
    8,584.48/12,877.28 = 3,389.92/x
  3. Step 3: Cross multiply
    8,584.48x = 12,877.28 × 3,389.92
  4. Step 4: Simplify right side
    8,584.48x = 43,652,949.02
  5. Step 5: Solve for x
    x = 43,652,949.02/8,584.48
  6. Step 6: Final answer
    x = 5,085.10

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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.