Home / 4,708.91-6,493.78-2,820.19

Finding the Fourth Proportional to 4,708.91, 6,493.78 and 2,820.19

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Solution

The fourth proportional to 4,708.91, 6,493.78 and 2,820.19 is: 3,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.91 : 6,493.78 = 2,820.19 : x
  2. Step 2: Convert to fraction form
    4,708.91/6,493.78 = 2,820.19/x
  3. Step 3: Cross multiply
    4,708.91x = 6,493.78 × 2,820.19
  4. Step 4: Simplify right side
    4,708.91x = 18,313,693.42
  5. Step 5: Solve for x
    x = 18,313,693.42/4,708.91
  6. Step 6: Final answer
    x = 3,889.16

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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.