Home / 9,320.82-13,981.28-3,477.38

Finding the Fourth Proportional to 9,320.82, 13,981.28 and 3,477.38

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Solution

The fourth proportional to 9,320.82, 13,981.28 and 3,477.38 is: 5,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.82 : 13,981.28 = 3,477.38 : x
  2. Step 2: Convert to fraction form
    9,320.82/13,981.28 = 3,477.38/x
  3. Step 3: Cross multiply
    9,320.82x = 13,981.28 × 3,477.38
  4. Step 4: Simplify right side
    9,320.82x = 48,618,136.15
  5. Step 5: Solve for x
    x = 48,618,136.15/9,320.82
  6. Step 6: Final answer
    x = 5,216.08

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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.