Home / 4,192.20-6,288.12-1,114.20

Finding the Fourth Proportional to 4,192.20, 6,288.12 and 1,114.20

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Solution

The fourth proportional to 4,192.20, 6,288.12 and 1,114.20 is: 1,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.20 : 6,288.12 = 1,114.20 : x
  2. Step 2: Convert to fraction form
    4,192.20/6,288.12 = 1,114.20/x
  3. Step 3: Cross multiply
    4,192.20x = 6,288.12 × 1,114.20
  4. Step 4: Simplify right side
    4,192.20x = 7,006,223.30
  5. Step 5: Solve for x
    x = 7,006,223.30/4,192.20
  6. Step 6: Final answer
    x = 1,671.25

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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.