Home / 6,885.79-10,322.94-3,190.67

Finding the Fourth Proportional to 6,885.79, 10,322.94 and 3,190.67

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Solution

The fourth proportional to 6,885.79, 10,322.94 and 3,190.67 is: 4,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.79 : 10,322.94 = 3,190.67 : x
  2. Step 2: Convert to fraction form
    6,885.79/10,322.94 = 3,190.67/x
  3. Step 3: Cross multiply
    6,885.79x = 10,322.94 × 3,190.67
  4. Step 4: Simplify right side
    6,885.79x = 32,937,079.02
  5. Step 5: Solve for x
    x = 32,937,079.02/6,885.79
  6. Step 6: Final answer
    x = 4,783.34

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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.