Home / 4,809.48-6,635.97-2,819.91

Finding the Fourth Proportional to 4,809.48, 6,635.97 and 2,819.91

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Solution

The fourth proportional to 4,809.48, 6,635.97 and 2,819.91 is: 3,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.48 : 6,635.97 = 2,819.91 : x
  2. Step 2: Convert to fraction form
    4,809.48/6,635.97 = 2,819.91/x
  3. Step 3: Cross multiply
    4,809.48x = 6,635.97 × 2,819.91
  4. Step 4: Simplify right side
    4,809.48x = 18,712,838.16
  5. Step 5: Solve for x
    x = 18,712,838.16/4,809.48
  6. Step 6: Final answer
    x = 3,890.82

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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.