Home / 4,973.09-6,857.19-3,178.17

Finding the Fourth Proportional to 4,973.09, 6,857.19 and 3,178.17

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Solution

The fourth proportional to 4,973.09, 6,857.19 and 3,178.17 is: 4,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.09 : 6,857.19 = 3,178.17 : x
  2. Step 2: Convert to fraction form
    4,973.09/6,857.19 = 3,178.17/x
  3. Step 3: Cross multiply
    4,973.09x = 6,857.19 × 3,178.17
  4. Step 4: Simplify right side
    4,973.09x = 21,793,315.54
  5. Step 5: Solve for x
    x = 21,793,315.54/4,973.09
  6. Step 6: Final answer
    x = 4,382.25

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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.