Home / 6,885.21-10,313.96-3,182.34

Finding the Fourth Proportional to 6,885.21, 10,313.96 and 3,182.34

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Solution

The fourth proportional to 6,885.21, 10,313.96 and 3,182.34 is: 4,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.21 : 10,313.96 = 3,182.34 : x
  2. Step 2: Convert to fraction form
    6,885.21/10,313.96 = 3,182.34/x
  3. Step 3: Cross multiply
    6,885.21x = 10,313.96 × 3,182.34
  4. Step 4: Simplify right side
    6,885.21x = 32,822,511.55
  5. Step 5: Solve for x
    x = 32,822,511.55/6,885.21
  6. Step 6: Final answer
    x = 4,767.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.