Home / 8,857.94-13,285.78-2,617.82

Finding the Fourth Proportional to 8,857.94, 13,285.78 and 2,617.82

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Solution

The fourth proportional to 8,857.94, 13,285.78 and 2,617.82 is: 3,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.94 : 13,285.78 = 2,617.82 : x
  2. Step 2: Convert to fraction form
    8,857.94/13,285.78 = 2,617.82/x
  3. Step 3: Cross multiply
    8,857.94x = 13,285.78 × 2,617.82
  4. Step 4: Simplify right side
    8,857.94x = 34,779,780.60
  5. Step 5: Solve for x
    x = 34,779,780.60/8,857.94
  6. Step 6: Final answer
    x = 3,926.40

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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.