Home / 7,440.04-11,171.40-6,351.40

Finding the Fourth Proportional to 7,440.04, 11,171.40 and 6,351.40

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Solution

The fourth proportional to 7,440.04, 11,171.40 and 6,351.40 is: 9,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.04 : 11,171.40 = 6,351.40 : x
  2. Step 2: Convert to fraction form
    7,440.04/11,171.40 = 6,351.40/x
  3. Step 3: Cross multiply
    7,440.04x = 11,171.40 × 6,351.40
  4. Step 4: Simplify right side
    7,440.04x = 70,954,029.96
  5. Step 5: Solve for x
    x = 70,954,029.96/7,440.04
  6. Step 6: Final answer
    x = 9,536.78

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1.5x scale

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.