Home / 4,790.69-6,611.49-2,666.39

Finding the Fourth Proportional to 4,790.69, 6,611.49 and 2,666.39

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Solution

The fourth proportional to 4,790.69, 6,611.49 and 2,666.39 is: 3,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.69 : 6,611.49 = 2,666.39 : x
  2. Step 2: Convert to fraction form
    4,790.69/6,611.49 = 2,666.39/x
  3. Step 3: Cross multiply
    4,790.69x = 6,611.49 × 2,666.39
  4. Step 4: Simplify right side
    4,790.69x = 17,628,777.76
  5. Step 5: Solve for x
    x = 17,628,777.76/4,790.69
  6. Step 6: Final answer
    x = 3,679.80

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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.