Home / 6,370.68-8,790.62-3,717.59

Finding the Fourth Proportional to 6,370.68, 8,790.62 and 3,717.59

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Solution

The fourth proportional to 6,370.68, 8,790.62 and 3,717.59 is: 5,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.68 : 8,790.62 = 3,717.59 : x
  2. Step 2: Convert to fraction form
    6,370.68/8,790.62 = 3,717.59/x
  3. Step 3: Cross multiply
    6,370.68x = 8,790.62 × 3,717.59
  4. Step 4: Simplify right side
    6,370.68x = 32,679,858.46
  5. Step 5: Solve for x
    x = 32,679,858.46/6,370.68
  6. Step 6: Final answer
    x = 5,129.73

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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.