Home / 7,317.30-10,977.30-2,123.04

Finding the Fourth Proportional to 7,317.30, 10,977.30 and 2,123.04

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Solution

The fourth proportional to 7,317.30, 10,977.30 and 2,123.04 is: 3,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.30 : 10,977.30 = 2,123.04 : x
  2. Step 2: Convert to fraction form
    7,317.30/10,977.30 = 2,123.04/x
  3. Step 3: Cross multiply
    7,317.30x = 10,977.30 × 2,123.04
  4. Step 4: Simplify right side
    7,317.30x = 23,305,246.99
  5. Step 5: Solve for x
    x = 23,305,246.99/7,317.30
  6. Step 6: Final answer
    x = 3,184.95

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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.