Home / 6,327.20-8,732.64-3,674.40

Finding the Fourth Proportional to 6,327.20, 8,732.64 and 3,674.40

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Solution

The fourth proportional to 6,327.20, 8,732.64 and 3,674.40 is: 5,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.20 : 8,732.64 = 3,674.40 : x
  2. Step 2: Convert to fraction form
    6,327.20/8,732.64 = 3,674.40/x
  3. Step 3: Cross multiply
    6,327.20x = 8,732.64 × 3,674.40
  4. Step 4: Simplify right side
    6,327.20x = 32,087,212.42
  5. Step 5: Solve for x
    x = 32,087,212.42/6,327.20
  6. Step 6: Final answer
    x = 5,071.31

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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.