Home / 6,921.24-10,374.13-2,760.15

Finding the Fourth Proportional to 6,921.24, 10,374.13 and 2,760.15

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Solution

The fourth proportional to 6,921.24, 10,374.13 and 2,760.15 is: 4,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.24 : 10,374.13 = 2,760.15 : x
  2. Step 2: Convert to fraction form
    6,921.24/10,374.13 = 2,760.15/x
  3. Step 3: Cross multiply
    6,921.24x = 10,374.13 × 2,760.15
  4. Step 4: Simplify right side
    6,921.24x = 28,634,154.92
  5. Step 5: Solve for x
    x = 28,634,154.92/6,921.24
  6. Step 6: Final answer
    x = 4,137.14

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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.