Home / 6,308.19-8,700.57-4,179.96

Finding the Fourth Proportional to 6,308.19, 8,700.57 and 4,179.96

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Solution

The fourth proportional to 6,308.19, 8,700.57 and 4,179.96 is: 5,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.19 : 8,700.57 = 4,179.96 : x
  2. Step 2: Convert to fraction form
    6,308.19/8,700.57 = 4,179.96/x
  3. Step 3: Cross multiply
    6,308.19x = 8,700.57 × 4,179.96
  4. Step 4: Simplify right side
    6,308.19x = 36,368,034.58
  5. Step 5: Solve for x
    x = 36,368,034.58/6,308.19
  6. Step 6: Final answer
    x = 5,765.21

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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.