Home / 5,447.91-7,515.54-3,680.13

Finding the Fourth Proportional to 5,447.91, 7,515.54 and 3,680.13

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Solution

The fourth proportional to 5,447.91, 7,515.54 and 3,680.13 is: 5,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.91 : 7,515.54 = 3,680.13 : x
  2. Step 2: Convert to fraction form
    5,447.91/7,515.54 = 3,680.13/x
  3. Step 3: Cross multiply
    5,447.91x = 7,515.54 × 3,680.13
  4. Step 4: Simplify right side
    5,447.91x = 27,658,164.22
  5. Step 5: Solve for x
    x = 27,658,164.22/5,447.91
  6. Step 6: Final answer
    x = 5,076.84

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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.