Home / 6,771.30-10,158.57-2,821.32

Finding the Fourth Proportional to 6,771.30, 10,158.57 and 2,821.32

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Solution

The fourth proportional to 6,771.30, 10,158.57 and 2,821.32 is: 4,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.30 : 10,158.57 = 2,821.32 : x
  2. Step 2: Convert to fraction form
    6,771.30/10,158.57 = 2,821.32/x
  3. Step 3: Cross multiply
    6,771.30x = 10,158.57 × 2,821.32
  4. Step 4: Simplify right side
    6,771.30x = 28,660,576.71
  5. Step 5: Solve for x
    x = 28,660,576.71/6,771.30
  6. Step 6: Final answer
    x = 4,232.65

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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.