Home / 6,142.28-9,210.03-2,192.90

Finding the Fourth Proportional to 6,142.28, 9,210.03 and 2,192.90

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Solution

The fourth proportional to 6,142.28, 9,210.03 and 2,192.90 is: 3,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.28 : 9,210.03 = 2,192.90 : x
  2. Step 2: Convert to fraction form
    6,142.28/9,210.03 = 2,192.90/x
  3. Step 3: Cross multiply
    6,142.28x = 9,210.03 × 2,192.90
  4. Step 4: Simplify right side
    6,142.28x = 20,196,674.79
  5. Step 5: Solve for x
    x = 20,196,674.79/6,142.28
  6. Step 6: Final answer
    x = 3,288.14

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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.