Home / 7,579.05-10,458.45-4,221.33

Finding the Fourth Proportional to 7,579.05, 10,458.45 and 4,221.33

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Solution

The fourth proportional to 7,579.05, 10,458.45 and 4,221.33 is: 5,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.05 : 10,458.45 = 4,221.33 : x
  2. Step 2: Convert to fraction form
    7,579.05/10,458.45 = 4,221.33/x
  3. Step 3: Cross multiply
    7,579.05x = 10,458.45 × 4,221.33
  4. Step 4: Simplify right side
    7,579.05x = 44,148,568.74
  5. Step 5: Solve for x
    x = 44,148,568.74/7,579.05
  6. Step 6: Final answer
    x = 5,825.08

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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.