Home / 6,139.77-9,210.57-2,192.04

Finding the Fourth Proportional to 6,139.77, 9,210.57 and 2,192.04

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Solution

The fourth proportional to 6,139.77, 9,210.57 and 2,192.04 is: 3,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.77 : 9,210.57 = 2,192.04 : x
  2. Step 2: Convert to fraction form
    6,139.77/9,210.57 = 2,192.04/x
  3. Step 3: Cross multiply
    6,139.77x = 9,210.57 × 2,192.04
  4. Step 4: Simplify right side
    6,139.77x = 20,189,937.86
  5. Step 5: Solve for x
    x = 20,189,937.86/6,139.77
  6. Step 6: Final answer
    x = 3,288.39

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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.