Home / 5,210.77-7,816.12-2,090.73

Finding the Fourth Proportional to 5,210.77, 7,816.12 and 2,090.73

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Solution

The fourth proportional to 5,210.77, 7,816.12 and 2,090.73 is: 3,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.77 : 7,816.12 = 2,090.73 : x
  2. Step 2: Convert to fraction form
    5,210.77/7,816.12 = 2,090.73/x
  3. Step 3: Cross multiply
    5,210.77x = 7,816.12 × 2,090.73
  4. Step 4: Simplify right side
    5,210.77x = 16,341,396.57
  5. Step 5: Solve for x
    x = 16,341,396.57/5,210.77
  6. Step 6: Final answer
    x = 3,136.08

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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.