Home / 8,167.64-11,271.56-4,631.38

Finding the Fourth Proportional to 8,167.64, 11,271.56 and 4,631.38

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Solution

The fourth proportional to 8,167.64, 11,271.56 and 4,631.38 is: 6,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.64 : 11,271.56 = 4,631.38 : x
  2. Step 2: Convert to fraction form
    8,167.64/11,271.56 = 4,631.38/x
  3. Step 3: Cross multiply
    8,167.64x = 11,271.56 × 4,631.38
  4. Step 4: Simplify right side
    8,167.64x = 52,202,826.22
  5. Step 5: Solve for x
    x = 52,202,826.22/8,167.64
  6. Step 6: Final answer
    x = 6,391.42

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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.