Home / 6,211.62-8,584.29-5,090.76

Finding the Fourth Proportional to 6,211.62, 8,584.29 and 5,090.76

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Solution

The fourth proportional to 6,211.62, 8,584.29 and 5,090.76 is: 7,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.62 : 8,584.29 = 5,090.76 : x
  2. Step 2: Convert to fraction form
    6,211.62/8,584.29 = 5,090.76/x
  3. Step 3: Cross multiply
    6,211.62x = 8,584.29 × 5,090.76
  4. Step 4: Simplify right side
    6,211.62x = 43,700,560.16
  5. Step 5: Solve for x
    x = 43,700,560.16/6,211.62
  6. Step 6: Final answer
    x = 7,035.29

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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.