Home / 4,701.27-6,486.68-2,812.56

Finding the Fourth Proportional to 4,701.27, 6,486.68 and 2,812.56

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Solution

The fourth proportional to 4,701.27, 6,486.68 and 2,812.56 is: 3,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.27 : 6,486.68 = 2,812.56 : x
  2. Step 2: Convert to fraction form
    4,701.27/6,486.68 = 2,812.56/x
  3. Step 3: Cross multiply
    4,701.27x = 6,486.68 × 2,812.56
  4. Step 4: Simplify right side
    4,701.27x = 18,244,162.64
  5. Step 5: Solve for x
    x = 18,244,162.64/4,701.27
  6. Step 6: Final answer
    x = 3,880.69

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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.