Home / 5,639.64-8,459.46-4,095.96

Finding the Fourth Proportional to 5,639.64, 8,459.46 and 4,095.96

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Solution

The fourth proportional to 5,639.64, 8,459.46 and 4,095.96 is: 6,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.64 : 8,459.46 = 4,095.96 : x
  2. Step 2: Convert to fraction form
    5,639.64/8,459.46 = 4,095.96/x
  3. Step 3: Cross multiply
    5,639.64x = 8,459.46 × 4,095.96
  4. Step 4: Simplify right side
    5,639.64x = 34,649,609.78
  5. Step 5: Solve for x
    x = 34,649,609.78/5,639.64
  6. Step 6: Final answer
    x = 6,143.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.