Home / 7,440.72-11,162.16-3,544.32

Finding the Fourth Proportional to 7,440.72, 11,162.16 and 3,544.32

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Solution

The fourth proportional to 7,440.72, 11,162.16 and 3,544.32 is: 5,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.72 : 11,162.16 = 3,544.32 : x
  2. Step 2: Convert to fraction form
    7,440.72/11,162.16 = 3,544.32/x
  3. Step 3: Cross multiply
    7,440.72x = 11,162.16 × 3,544.32
  4. Step 4: Simplify right side
    7,440.72x = 39,562,266.93
  5. Step 5: Solve for x
    x = 39,562,266.93/7,440.72
  6. Step 6: Final answer
    x = 5,316.99

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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.