Home / 4,077.99-5,617.13-3,192.21

Finding the Fourth Proportional to 4,077.99, 5,617.13 and 3,192.21

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Solution

The fourth proportional to 4,077.99, 5,617.13 and 3,192.21 is: 4,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.99 : 5,617.13 = 3,192.21 : x
  2. Step 2: Convert to fraction form
    4,077.99/5,617.13 = 3,192.21/x
  3. Step 3: Cross multiply
    4,077.99x = 5,617.13 × 3,192.21
  4. Step 4: Simplify right side
    4,077.99x = 17,931,042.60
  5. Step 5: Solve for x
    x = 17,931,042.60/4,077.99
  6. Step 6: Final answer
    x = 4,397.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.