Home / 4,867.63-6,711.18-3,186.37

Finding the Fourth Proportional to 4,867.63, 6,711.18 and 3,186.37

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Solution

The fourth proportional to 4,867.63, 6,711.18 and 3,186.37 is: 4,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.63 : 6,711.18 = 3,186.37 : x
  2. Step 2: Convert to fraction form
    4,867.63/6,711.18 = 3,186.37/x
  3. Step 3: Cross multiply
    4,867.63x = 6,711.18 × 3,186.37
  4. Step 4: Simplify right side
    4,867.63x = 21,384,302.62
  5. Step 5: Solve for x
    x = 21,384,302.62/4,867.63
  6. Step 6: Final answer
    x = 4,393.17

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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.