Home / 6,300.21-8,695.44-3,647.88

Finding the Fourth Proportional to 6,300.21, 8,695.44 and 3,647.88

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Solution

The fourth proportional to 6,300.21, 8,695.44 and 3,647.88 is: 5,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.21 : 8,695.44 = 3,647.88 : x
  2. Step 2: Convert to fraction form
    6,300.21/8,695.44 = 3,647.88/x
  3. Step 3: Cross multiply
    6,300.21x = 8,695.44 × 3,647.88
  4. Step 4: Simplify right side
    6,300.21x = 31,719,921.67
  5. Step 5: Solve for x
    x = 31,719,921.67/6,300.21
  6. Step 6: Final answer
    x = 5,034.74

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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.