Home / 4,186.32-6,242.88-3,668.72

Finding the Fourth Proportional to 4,186.32, 6,242.88 and 3,668.72

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Solution

The fourth proportional to 4,186.32, 6,242.88 and 3,668.72 is: 5,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.32 : 6,242.88 = 3,668.72 : x
  2. Step 2: Convert to fraction form
    4,186.32/6,242.88 = 3,668.72/x
  3. Step 3: Cross multiply
    4,186.32x = 6,242.88 × 3,668.72
  4. Step 4: Simplify right side
    4,186.32x = 22,903,378.71
  5. Step 5: Solve for x
    x = 22,903,378.71/4,186.32
  6. Step 6: Final answer
    x = 5,471.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.