Home / 5,378.67-8,066.16-2,090.88

Finding the Fourth Proportional to 5,378.67, 8,066.16 and 2,090.88

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Solution

The fourth proportional to 5,378.67, 8,066.16 and 2,090.88 is: 3,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.67 : 8,066.16 = 2,090.88 : x
  2. Step 2: Convert to fraction form
    5,378.67/8,066.16 = 2,090.88/x
  3. Step 3: Cross multiply
    5,378.67x = 8,066.16 × 2,090.88
  4. Step 4: Simplify right side
    5,378.67x = 16,865,372.62
  5. Step 5: Solve for x
    x = 16,865,372.62/5,378.67
  6. Step 6: Final answer
    x = 3,135.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.