Home / 6,311.66-8,701.99-5,173.14

Finding the Fourth Proportional to 6,311.66, 8,701.99 and 5,173.14

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Solution

The fourth proportional to 6,311.66, 8,701.99 and 5,173.14 is: 7,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.66 : 8,701.99 = 5,173.14 : x
  2. Step 2: Convert to fraction form
    6,311.66/8,701.99 = 5,173.14/x
  3. Step 3: Cross multiply
    6,311.66x = 8,701.99 × 5,173.14
  4. Step 4: Simplify right side
    6,311.66x = 45,016,600.25
  5. Step 5: Solve for x
    x = 45,016,600.25/6,311.66
  6. Step 6: Final answer
    x = 7,132.29

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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.