Home / 6,171.12-8,508.72-4,284.32

Finding the Fourth Proportional to 6,171.12, 8,508.72 and 4,284.32

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Solution

The fourth proportional to 6,171.12, 8,508.72 and 4,284.32 is: 5,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.12 : 8,508.72 = 4,284.32 : x
  2. Step 2: Convert to fraction form
    6,171.12/8,508.72 = 4,284.32/x
  3. Step 3: Cross multiply
    6,171.12x = 8,508.72 × 4,284.32
  4. Step 4: Simplify right side
    6,171.12x = 36,454,079.27
  5. Step 5: Solve for x
    x = 36,454,079.27/6,171.12
  6. Step 6: Final answer
    x = 5,907.21

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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.