Home / 6,438.06-9,657.09-2,974.86

Finding the Fourth Proportional to 6,438.06, 9,657.09 and 2,974.86

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Solution

The fourth proportional to 6,438.06, 9,657.09 and 2,974.86 is: 4,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.06 : 9,657.09 = 2,974.86 : x
  2. Step 2: Convert to fraction form
    6,438.06/9,657.09 = 2,974.86/x
  3. Step 3: Cross multiply
    6,438.06x = 9,657.09 × 2,974.86
  4. Step 4: Simplify right side
    6,438.06x = 28,728,490.76
  5. Step 5: Solve for x
    x = 28,728,490.76/6,438.06
  6. Step 6: Final answer
    x = 4,462.29

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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.