Home / 8,625.09-12,933.36-2,780.94

Finding the Fourth Proportional to 8,625.09, 12,933.36 and 2,780.94

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Solution

The fourth proportional to 8,625.09, 12,933.36 and 2,780.94 is: 4,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.09 : 12,933.36 = 2,780.94 : x
  2. Step 2: Convert to fraction form
    8,625.09/12,933.36 = 2,780.94/x
  3. Step 3: Cross multiply
    8,625.09x = 12,933.36 × 2,780.94
  4. Step 4: Simplify right side
    8,625.09x = 35,966,898.16
  5. Step 5: Solve for x
    x = 35,966,898.16/8,625.09
  6. Step 6: Final answer
    x = 4,170.03

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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.