Home / 7,344.72-11,007.32-3,440.92

Finding the Fourth Proportional to 7,344.72, 11,007.32 and 3,440.92

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Solution

The fourth proportional to 7,344.72, 11,007.32 and 3,440.92 is: 5,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.72 : 11,007.32 = 3,440.92 : x
  2. Step 2: Convert to fraction form
    7,344.72/11,007.32 = 3,440.92/x
  3. Step 3: Cross multiply
    7,344.72x = 11,007.32 × 3,440.92
  4. Step 4: Simplify right side
    7,344.72x = 37,875,307.53
  5. Step 5: Solve for x
    x = 37,875,307.53/7,344.72
  6. Step 6: Final answer
    x = 5,156.81

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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.