Home / 6,370.22-8,790.12-3,715.72

Finding the Fourth Proportional to 6,370.22, 8,790.12 and 3,715.72

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Solution

The fourth proportional to 6,370.22, 8,790.12 and 3,715.72 is: 5,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.22 : 8,790.12 = 3,715.72 : x
  2. Step 2: Convert to fraction form
    6,370.22/8,790.12 = 3,715.72/x
  3. Step 3: Cross multiply
    6,370.22x = 8,790.12 × 3,715.72
  4. Step 4: Simplify right side
    6,370.22x = 32,661,624.69
  5. Step 5: Solve for x
    x = 32,661,624.69/6,370.22
  6. Step 6: Final answer
    x = 5,127.24

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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.