Home / 7,556.92-10,428.68-4,200.05

Finding the Fourth Proportional to 7,556.92, 10,428.68 and 4,200.05

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Solution

The fourth proportional to 7,556.92, 10,428.68 and 4,200.05 is: 5,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.92 : 10,428.68 = 4,200.05 : x
  2. Step 2: Convert to fraction form
    7,556.92/10,428.68 = 4,200.05/x
  3. Step 3: Cross multiply
    7,556.92x = 10,428.68 × 4,200.05
  4. Step 4: Simplify right side
    7,556.92x = 43,801,014.01
  5. Step 5: Solve for x
    x = 43,801,014.01/7,556.92
  6. Step 6: Final answer
    x = 5,796.15

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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.