Home / 4,099.11-6,147.29-1,325.16

Finding the Fourth Proportional to 4,099.11, 6,147.29 and 1,325.16

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Solution

The fourth proportional to 4,099.11, 6,147.29 and 1,325.16 is: 1,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.11 : 6,147.29 = 1,325.16 : x
  2. Step 2: Convert to fraction form
    4,099.11/6,147.29 = 1,325.16/x
  3. Step 3: Cross multiply
    4,099.11x = 6,147.29 × 1,325.16
  4. Step 4: Simplify right side
    4,099.11x = 8,146,146.13
  5. Step 5: Solve for x
    x = 8,146,146.13/4,099.11
  6. Step 6: Final answer
    x = 1,987.30

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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.