Home / 5,301.36-7,314.84-3,620.88

Finding the Fourth Proportional to 5,301.36, 7,314.84 and 3,620.88

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Solution

The fourth proportional to 5,301.36, 7,314.84 and 3,620.88 is: 4,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.36 : 7,314.84 = 3,620.88 : x
  2. Step 2: Convert to fraction form
    5,301.36/7,314.84 = 3,620.88/x
  3. Step 3: Cross multiply
    5,301.36x = 7,314.84 × 3,620.88
  4. Step 4: Simplify right side
    5,301.36x = 26,486,157.86
  5. Step 5: Solve for x
    x = 26,486,157.86/5,301.36
  6. Step 6: Final answer
    x = 4,996.11

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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.