Home / 5,591.16-8,386.70-1,431.16

Finding the Fourth Proportional to 5,591.16, 8,386.70 and 1,431.16

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Solution

The fourth proportional to 5,591.16, 8,386.70 and 1,431.16 is: 2,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.16 : 8,386.70 = 1,431.16 : x
  2. Step 2: Convert to fraction form
    5,591.16/8,386.70 = 1,431.16/x
  3. Step 3: Cross multiply
    5,591.16x = 8,386.70 × 1,431.16
  4. Step 4: Simplify right side
    5,591.16x = 12,002,709.57
  5. Step 5: Solve for x
    x = 12,002,709.57/5,591.16
  6. Step 6: Final answer
    x = 2,146.73

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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.