Home / 4,644.06-6,991.40-4,235.82

Finding the Fourth Proportional to 4,644.06, 6,991.40 and 4,235.82

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Solution

The fourth proportional to 4,644.06, 6,991.40 and 4,235.82 is: 6,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.06 : 6,991.40 = 4,235.82 : x
  2. Step 2: Convert to fraction form
    4,644.06/6,991.40 = 4,235.82/x
  3. Step 3: Cross multiply
    4,644.06x = 6,991.40 × 4,235.82
  4. Step 4: Simplify right side
    4,644.06x = 29,614,311.95
  5. Step 5: Solve for x
    x = 29,614,311.95/4,644.06
  6. Step 6: Final answer
    x = 6,376.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.