Home / 5,266.16-7,245.51-3,999.86

Finding the Fourth Proportional to 5,266.16, 7,245.51 and 3,999.86

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Solution

The fourth proportional to 5,266.16, 7,245.51 and 3,999.86 is: 5,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.16 : 7,245.51 = 3,999.86 : x
  2. Step 2: Convert to fraction form
    5,266.16/7,245.51 = 3,999.86/x
  3. Step 3: Cross multiply
    5,266.16x = 7,245.51 × 3,999.86
  4. Step 4: Simplify right side
    5,266.16x = 28,981,025.63
  5. Step 5: Solve for x
    x = 28,981,025.63/5,266.16
  6. Step 6: Final answer
    x = 5,503.26

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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.