Home / 9,175.60-13,763.40-3,981.34

Finding the Fourth Proportional to 9,175.60, 13,763.40 and 3,981.34

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Solution

The fourth proportional to 9,175.60, 13,763.40 and 3,981.34 is: 5,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.60 : 13,763.40 = 3,981.34 : x
  2. Step 2: Convert to fraction form
    9,175.60/13,763.40 = 3,981.34/x
  3. Step 3: Cross multiply
    9,175.60x = 13,763.40 × 3,981.34
  4. Step 4: Simplify right side
    9,175.60x = 54,796,774.96
  5. Step 5: Solve for x
    x = 54,796,774.96/9,175.60
  6. Step 6: Final answer
    x = 5,972.01

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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.