Home / 5,323.28-7,977.84-2,823.95

Finding the Fourth Proportional to 5,323.28, 7,977.84 and 2,823.95

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Solution

The fourth proportional to 5,323.28, 7,977.84 and 2,823.95 is: 4,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.28 : 7,977.84 = 2,823.95 : x
  2. Step 2: Convert to fraction form
    5,323.28/7,977.84 = 2,823.95/x
  3. Step 3: Cross multiply
    5,323.28x = 7,977.84 × 2,823.95
  4. Step 4: Simplify right side
    5,323.28x = 22,529,021.27
  5. Step 5: Solve for x
    x = 22,529,021.27/5,323.28
  6. Step 6: Final answer
    x = 4,232.17

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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.