Home / 8,910.90-13,362.59-2,671.80

Finding the Fourth Proportional to 8,910.90, 13,362.59 and 2,671.80

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Solution

The fourth proportional to 8,910.90, 13,362.59 and 2,671.80 is: 4,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.90 : 13,362.59 = 2,671.80 : x
  2. Step 2: Convert to fraction form
    8,910.90/13,362.59 = 2,671.80/x
  3. Step 3: Cross multiply
    8,910.90x = 13,362.59 × 2,671.80
  4. Step 4: Simplify right side
    8,910.90x = 35,702,167.96
  5. Step 5: Solve for x
    x = 35,702,167.96/8,910.90
  6. Step 6: Final answer
    x = 4,006.57

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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.