Home / 4,487.64-6,731.46-3,581.40

Finding the Fourth Proportional to 4,487.64, 6,731.46 and 3,581.40

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Solution

The fourth proportional to 4,487.64, 6,731.46 and 3,581.40 is: 5,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.64 : 6,731.46 = 3,581.40 : x
  2. Step 2: Convert to fraction form
    4,487.64/6,731.46 = 3,581.40/x
  3. Step 3: Cross multiply
    4,487.64x = 6,731.46 × 3,581.40
  4. Step 4: Simplify right side
    4,487.64x = 24,108,050.84
  5. Step 5: Solve for x
    x = 24,108,050.84/4,487.64
  6. Step 6: Final answer
    x = 5,372.10

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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.