Home / 4,485.09-6,192.47-2,807.18

Finding the Fourth Proportional to 4,485.09, 6,192.47 and 2,807.18

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Solution

The fourth proportional to 4,485.09, 6,192.47 and 2,807.18 is: 3,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.09 : 6,192.47 = 2,807.18 : x
  2. Step 2: Convert to fraction form
    4,485.09/6,192.47 = 2,807.18/x
  3. Step 3: Cross multiply
    4,485.09x = 6,192.47 × 2,807.18
  4. Step 4: Simplify right side
    4,485.09x = 17,383,353.99
  5. Step 5: Solve for x
    x = 17,383,353.99/4,485.09
  6. Step 6: Final answer
    x = 3,875.81

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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.