Home / 4,707.45-6,494.55-2,819.07

Finding the Fourth Proportional to 4,707.45, 6,494.55 and 2,819.07

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Solution

The fourth proportional to 4,707.45, 6,494.55 and 2,819.07 is: 3,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.45 : 6,494.55 = 2,819.07 : x
  2. Step 2: Convert to fraction form
    4,707.45/6,494.55 = 2,819.07/x
  3. Step 3: Cross multiply
    4,707.45x = 6,494.55 × 2,819.07
  4. Step 4: Simplify right side
    4,707.45x = 18,308,591.07
  5. Step 5: Solve for x
    x = 18,308,591.07/4,707.45
  6. Step 6: Final answer
    x = 3,889.28

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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.