Home / 8,857.10-13,285.69-3,310.38

Finding the Fourth Proportional to 8,857.10, 13,285.69 and 3,310.38

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Solution

The fourth proportional to 8,857.10, 13,285.69 and 3,310.38 is: 4,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.10 : 13,285.69 = 3,310.38 : x
  2. Step 2: Convert to fraction form
    8,857.10/13,285.69 = 3,310.38/x
  3. Step 3: Cross multiply
    8,857.10x = 13,285.69 × 3,310.38
  4. Step 4: Simplify right side
    8,857.10x = 43,980,674.19
  5. Step 5: Solve for x
    x = 43,980,674.19/8,857.10
  6. Step 6: Final answer
    x = 4,965.58

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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.