Home / 4,127.57-6,192.77-1,206.30

Finding the Fourth Proportional to 4,127.57, 6,192.77 and 1,206.30

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Solution

The fourth proportional to 4,127.57, 6,192.77 and 1,206.30 is: 1,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.57 : 6,192.77 = 1,206.30 : x
  2. Step 2: Convert to fraction form
    4,127.57/6,192.77 = 1,206.30/x
  3. Step 3: Cross multiply
    4,127.57x = 6,192.77 × 1,206.30
  4. Step 4: Simplify right side
    4,127.57x = 7,470,338.45
  5. Step 5: Solve for x
    x = 7,470,338.45/4,127.57
  6. Step 6: Final answer
    x = 1,809.86

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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.