Home / 5,025.12-6,932.28-2,928

Finding the Fourth Proportional to 5,025.12, 6,932.28 and 2,928

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Solution

The fourth proportional to 5,025.12, 6,932.28 and 2,928 is: 4,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.12 : 6,932.28 = 2,928 : x
  2. Step 2: Convert to fraction form
    5,025.12/6,932.28 = 2,928/x
  3. Step 3: Cross multiply
    5,025.12x = 6,932.28 × 2,928
  4. Step 4: Simplify right side
    5,025.12x = 20,297,715.84
  5. Step 5: Solve for x
    x = 20,297,715.84/5,025.12
  6. Step 6: Final answer
    x = 4,039.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.