Home / 6,790.55-9,371.21-4,136.07

Finding the Fourth Proportional to 6,790.55, 9,371.21 and 4,136.07

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Solution

The fourth proportional to 6,790.55, 9,371.21 and 4,136.07 is: 5,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.55 : 9,371.21 = 4,136.07 : x
  2. Step 2: Convert to fraction form
    6,790.55/9,371.21 = 4,136.07/x
  3. Step 3: Cross multiply
    6,790.55x = 9,371.21 × 4,136.07
  4. Step 4: Simplify right side
    6,790.55x = 38,759,959.86
  5. Step 5: Solve for x
    x = 38,759,959.86/6,790.55
  6. Step 6: Final answer
    x = 5,707.93

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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.