Home / 5,411.45-7,467.86-3,174.65

Finding the Fourth Proportional to 5,411.45, 7,467.86 and 3,174.65

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Solution

The fourth proportional to 5,411.45, 7,467.86 and 3,174.65 is: 4,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.45 : 7,467.86 = 3,174.65 : x
  2. Step 2: Convert to fraction form
    5,411.45/7,467.86 = 3,174.65/x
  3. Step 3: Cross multiply
    5,411.45x = 7,467.86 × 3,174.65
  4. Step 4: Simplify right side
    5,411.45x = 23,707,825.88
  5. Step 5: Solve for x
    x = 23,707,825.88/5,411.45
  6. Step 6: Final answer
    x = 4,381.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.