Home / 9,107.40-13,661.10-5,810.70

Finding the Fourth Proportional to 9,107.40, 13,661.10 and 5,810.70

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Solution

The fourth proportional to 9,107.40, 13,661.10 and 5,810.70 is: 8,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.40 : 13,661.10 = 5,810.70 : x
  2. Step 2: Convert to fraction form
    9,107.40/13,661.10 = 5,810.70/x
  3. Step 3: Cross multiply
    9,107.40x = 13,661.10 × 5,810.70
  4. Step 4: Simplify right side
    9,107.40x = 79,380,553.77
  5. Step 5: Solve for x
    x = 79,380,553.77/9,107.40
  6. Step 6: Final answer
    x = 8,716.05

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Similar ratio
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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.