Home / 7,474.94-11,219.70-5,703.38

Finding the Fourth Proportional to 7,474.94, 11,219.70 and 5,703.38

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Solution

The fourth proportional to 7,474.94, 11,219.70 and 5,703.38 is: 8,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.94 : 11,219.70 = 5,703.38 : x
  2. Step 2: Convert to fraction form
    7,474.94/11,219.70 = 5,703.38/x
  3. Step 3: Cross multiply
    7,474.94x = 11,219.70 × 5,703.38
  4. Step 4: Simplify right side
    7,474.94x = 63,990,212.59
  5. Step 5: Solve for x
    x = 63,990,212.59/7,474.94
  6. Step 6: Final answer
    x = 8,560.63

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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.