Home / 6,921.18-10,376.75-2,700.85

Finding the Fourth Proportional to 6,921.18, 10,376.75 and 2,700.85

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Solution

The fourth proportional to 6,921.18, 10,376.75 and 2,700.85 is: 4,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.18 : 10,376.75 = 2,700.85 : x
  2. Step 2: Convert to fraction form
    6,921.18/10,376.75 = 2,700.85/x
  3. Step 3: Cross multiply
    6,921.18x = 10,376.75 × 2,700.85
  4. Step 4: Simplify right side
    6,921.18x = 28,026,064.96
  5. Step 5: Solve for x
    x = 28,026,064.96/6,921.18
  6. Step 6: Final answer
    x = 4,049.32

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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.