Home / 8,386.10-12,580.66-3,453.04

Finding the Fourth Proportional to 8,386.10, 12,580.66 and 3,453.04

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Solution

The fourth proportional to 8,386.10, 12,580.66 and 3,453.04 is: 5,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.10 : 12,580.66 = 3,453.04 : x
  2. Step 2: Convert to fraction form
    8,386.10/12,580.66 = 3,453.04/x
  3. Step 3: Cross multiply
    8,386.10x = 12,580.66 × 3,453.04
  4. Step 4: Simplify right side
    8,386.10x = 43,441,553.66
  5. Step 5: Solve for x
    x = 43,441,553.66/8,386.10
  6. Step 6: Final answer
    x = 5,180.19

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1.5x scale

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.