Home / 5,209.26-7,816.92-2,090.76

Finding the Fourth Proportional to 5,209.26, 7,816.92 and 2,090.76

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Solution

The fourth proportional to 5,209.26, 7,816.92 and 2,090.76 is: 3,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.26 : 7,816.92 = 2,090.76 : x
  2. Step 2: Convert to fraction form
    5,209.26/7,816.92 = 2,090.76/x
  3. Step 3: Cross multiply
    5,209.26x = 7,816.92 × 2,090.76
  4. Step 4: Simplify right side
    5,209.26x = 16,343,303.66
  5. Step 5: Solve for x
    x = 16,343,303.66/5,209.26
  6. Step 6: Final answer
    x = 3,137.36

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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.