Home / 5,015.28-7,518.88-2,095.76

Finding the Fourth Proportional to 5,015.28, 7,518.88 and 2,095.76

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Solution

The fourth proportional to 5,015.28, 7,518.88 and 2,095.76 is: 3,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.28 : 7,518.88 = 2,095.76 : x
  2. Step 2: Convert to fraction form
    5,015.28/7,518.88 = 2,095.76/x
  3. Step 3: Cross multiply
    5,015.28x = 7,518.88 × 2,095.76
  4. Step 4: Simplify right side
    5,015.28x = 15,757,767.95
  5. Step 5: Solve for x
    x = 15,757,767.95/5,015.28
  6. Step 6: Final answer
    x = 3,141.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.