Home / 6,942.24-9,572.10-5,611.80

Finding the Fourth Proportional to 6,942.24, 9,572.10 and 5,611.80

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Solution

The fourth proportional to 6,942.24, 9,572.10 and 5,611.80 is: 7,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.24 : 9,572.10 = 5,611.80 : x
  2. Step 2: Convert to fraction form
    6,942.24/9,572.10 = 5,611.80/x
  3. Step 3: Cross multiply
    6,942.24x = 9,572.10 × 5,611.80
  4. Step 4: Simplify right side
    6,942.24x = 53,716,710.78
  5. Step 5: Solve for x
    x = 53,716,710.78/6,942.24
  6. Step 6: Final answer
    x = 7,737.66

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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.