Home / 6,315.98-9,474.09-2,156.94

Finding the Fourth Proportional to 6,315.98, 9,474.09 and 2,156.94

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Solution

The fourth proportional to 6,315.98, 9,474.09 and 2,156.94 is: 3,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.98 : 9,474.09 = 2,156.94 : x
  2. Step 2: Convert to fraction form
    6,315.98/9,474.09 = 2,156.94/x
  3. Step 3: Cross multiply
    6,315.98x = 9,474.09 × 2,156.94
  4. Step 4: Simplify right side
    6,315.98x = 20,435,043.68
  5. Step 5: Solve for x
    x = 20,435,043.68/6,315.98
  6. Step 6: Final answer
    x = 3,235.45

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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.