Home / 8,405.38-12,597.28-4,236.06

Finding the Fourth Proportional to 8,405.38, 12,597.28 and 4,236.06

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Solution

The fourth proportional to 8,405.38, 12,597.28 and 4,236.06 is: 6,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.38 : 12,597.28 = 4,236.06 : x
  2. Step 2: Convert to fraction form
    8,405.38/12,597.28 = 4,236.06/x
  3. Step 3: Cross multiply
    8,405.38x = 12,597.28 × 4,236.06
  4. Step 4: Simplify right side
    8,405.38x = 53,362,833.92
  5. Step 5: Solve for x
    x = 53,362,833.92/8,405.38
  6. Step 6: Final answer
    x = 6,348.65

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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.