Home / 4,720.62-6,515.64-3,229.14

Finding the Fourth Proportional to 4,720.62, 6,515.64 and 3,229.14

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Solution

The fourth proportional to 4,720.62, 6,515.64 and 3,229.14 is: 4,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.62 : 6,515.64 = 3,229.14 : x
  2. Step 2: Convert to fraction form
    4,720.62/6,515.64 = 3,229.14/x
  3. Step 3: Cross multiply
    4,720.62x = 6,515.64 × 3,229.14
  4. Step 4: Simplify right side
    4,720.62x = 21,039,913.75
  5. Step 5: Solve for x
    x = 21,039,913.75/4,720.62
  6. Step 6: Final answer
    x = 4,457.02

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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.