Home / 6,385.32-8,812.96-3,590.82

Finding the Fourth Proportional to 6,385.32, 8,812.96 and 3,590.82

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Solution

The fourth proportional to 6,385.32, 8,812.96 and 3,590.82 is: 4,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.32 : 8,812.96 = 3,590.82 : x
  2. Step 2: Convert to fraction form
    6,385.32/8,812.96 = 3,590.82/x
  3. Step 3: Cross multiply
    6,385.32x = 8,812.96 × 3,590.82
  4. Step 4: Simplify right side
    6,385.32x = 31,645,766.08
  5. Step 5: Solve for x
    x = 31,645,766.08/6,385.32
  6. Step 6: Final answer
    x = 4,956.02

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Double scale
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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.