Home / 4,581.15-6,321.56-2,812.47

Finding the Fourth Proportional to 4,581.15, 6,321.56 and 2,812.47

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Solution

The fourth proportional to 4,581.15, 6,321.56 and 2,812.47 is: 3,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.15 : 6,321.56 = 2,812.47 : x
  2. Step 2: Convert to fraction form
    4,581.15/6,321.56 = 2,812.47/x
  3. Step 3: Cross multiply
    4,581.15x = 6,321.56 × 2,812.47
  4. Step 4: Simplify right side
    4,581.15x = 17,779,183.79
  5. Step 5: Solve for x
    x = 17,779,183.79/4,581.15
  6. Step 6: Final answer
    x = 3,880.94

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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.