Home / 7,317.54-10,977.38-2,122.74

Finding the Fourth Proportional to 7,317.54, 10,977.38 and 2,122.74

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Solution

The fourth proportional to 7,317.54, 10,977.38 and 2,122.74 is: 3,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.54 : 10,977.38 = 2,122.74 : x
  2. Step 2: Convert to fraction form
    7,317.54/10,977.38 = 2,122.74/x
  3. Step 3: Cross multiply
    7,317.54x = 10,977.38 × 2,122.74
  4. Step 4: Simplify right side
    7,317.54x = 23,302,123.62
  5. Step 5: Solve for x
    x = 23,302,123.62/7,317.54
  6. Step 6: Final answer
    x = 3,184.42

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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.