Home / 7,645.05-10,550.28-4,619.76

Finding the Fourth Proportional to 7,645.05, 10,550.28 and 4,619.76

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Solution

The fourth proportional to 7,645.05, 10,550.28 and 4,619.76 is: 6,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.05 : 10,550.28 = 4,619.76 : x
  2. Step 2: Convert to fraction form
    7,645.05/10,550.28 = 4,619.76/x
  3. Step 3: Cross multiply
    7,645.05x = 10,550.28 × 4,619.76
  4. Step 4: Simplify right side
    7,645.05x = 48,739,685.68
  5. Step 5: Solve for x
    x = 48,739,685.68/7,645.05
  6. Step 6: Final answer
    x = 6,375.33

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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.