Home / 6,927.90-9,558.13-3,942.99

Finding the Fourth Proportional to 6,927.90, 9,558.13 and 3,942.99

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Solution

The fourth proportional to 6,927.90, 9,558.13 and 3,942.99 is: 5,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.90 : 9,558.13 = 3,942.99 : x
  2. Step 2: Convert to fraction form
    6,927.90/9,558.13 = 3,942.99/x
  3. Step 3: Cross multiply
    6,927.90x = 9,558.13 × 3,942.99
  4. Step 4: Simplify right side
    6,927.90x = 37,687,543.50
  5. Step 5: Solve for x
    x = 37,687,543.50/6,927.90
  6. Step 6: Final answer
    x = 5,439.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.