Home / 4,318.46-6,476.69-2,097.20

Finding the Fourth Proportional to 4,318.46, 6,476.69 and 2,097.20

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Solution

The fourth proportional to 4,318.46, 6,476.69 and 2,097.20 is: 3,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.46 : 6,476.69 = 2,097.20 : x
  2. Step 2: Convert to fraction form
    4,318.46/6,476.69 = 2,097.20/x
  3. Step 3: Cross multiply
    4,318.46x = 6,476.69 × 2,097.20
  4. Step 4: Simplify right side
    4,318.46x = 13,582,903.78
  5. Step 5: Solve for x
    x = 13,582,903.78/4,318.46
  6. Step 6: Final answer
    x = 3,145.32

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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.