Home / 5,207.44-7,812.15-2,285.72

Finding the Fourth Proportional to 5,207.44, 7,812.15 and 2,285.72

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Solution

The fourth proportional to 5,207.44, 7,812.15 and 2,285.72 is: 3,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.44 : 7,812.15 = 2,285.72 : x
  2. Step 2: Convert to fraction form
    5,207.44/7,812.15 = 2,285.72/x
  3. Step 3: Cross multiply
    5,207.44x = 7,812.15 × 2,285.72
  4. Step 4: Simplify right side
    5,207.44x = 17,856,369.16
  5. Step 5: Solve for x
    x = 17,856,369.16/5,207.44
  6. Step 6: Final answer
    x = 3,429.01

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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.