Home / 6,247.67-8,620.36-3,730.59

Finding the Fourth Proportional to 6,247.67, 8,620.36 and 3,730.59

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Solution

The fourth proportional to 6,247.67, 8,620.36 and 3,730.59 is: 5,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.67 : 8,620.36 = 3,730.59 : x
  2. Step 2: Convert to fraction form
    6,247.67/8,620.36 = 3,730.59/x
  3. Step 3: Cross multiply
    6,247.67x = 8,620.36 × 3,730.59
  4. Step 4: Simplify right side
    6,247.67x = 32,159,028.81
  5. Step 5: Solve for x
    x = 32,159,028.81/6,247.67
  6. Step 6: Final answer
    x = 5,147.36

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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.