Home / 5,447.42-7,521.67-4,186.49

Finding the Fourth Proportional to 5,447.42, 7,521.67 and 4,186.49

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Solution

The fourth proportional to 5,447.42, 7,521.67 and 4,186.49 is: 5,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.42 : 7,521.67 = 4,186.49 : x
  2. Step 2: Convert to fraction form
    5,447.42/7,521.67 = 4,186.49/x
  3. Step 3: Cross multiply
    5,447.42x = 7,521.67 × 4,186.49
  4. Step 4: Simplify right side
    5,447.42x = 31,489,396.24
  5. Step 5: Solve for x
    x = 31,489,396.24/5,447.42
  6. Step 6: Final answer
    x = 5,780.61

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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.