Home / 8,935.25-13,402.88-6,121.31

Finding the Fourth Proportional to 8,935.25, 13,402.88 and 6,121.31

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Solution

The fourth proportional to 8,935.25, 13,402.88 and 6,121.31 is: 9,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.25 : 13,402.88 = 6,121.31 : x
  2. Step 2: Convert to fraction form
    8,935.25/13,402.88 = 6,121.31/x
  3. Step 3: Cross multiply
    8,935.25x = 13,402.88 × 6,121.31
  4. Step 4: Simplify right side
    8,935.25x = 82,043,152.77
  5. Step 5: Solve for x
    x = 82,043,152.77/8,935.25
  6. Step 6: Final answer
    x = 9,181.97

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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.