Home / 5,265.90-7,901.91-3,190.05

Finding the Fourth Proportional to 5,265.90, 7,901.91 and 3,190.05

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Solution

The fourth proportional to 5,265.90, 7,901.91 and 3,190.05 is: 4,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.90 : 7,901.91 = 3,190.05 : x
  2. Step 2: Convert to fraction form
    5,265.90/7,901.91 = 3,190.05/x
  3. Step 3: Cross multiply
    5,265.90x = 7,901.91 × 3,190.05
  4. Step 4: Simplify right side
    5,265.90x = 25,207,488.00
  5. Step 5: Solve for x
    x = 25,207,488.00/5,265.90
  6. Step 6: Final answer
    x = 4,786.93

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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.