Home / 7,556.15-10,426.90-4,198.90

Finding the Fourth Proportional to 7,556.15, 10,426.90 and 4,198.90

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Solution

The fourth proportional to 7,556.15, 10,426.90 and 4,198.90 is: 5,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.15 : 10,426.90 = 4,198.90 : x
  2. Step 2: Convert to fraction form
    7,556.15/10,426.90 = 4,198.90/x
  3. Step 3: Cross multiply
    7,556.15x = 10,426.90 × 4,198.90
  4. Step 4: Simplify right side
    7,556.15x = 43,781,437.28
  5. Step 5: Solve for x
    x = 43,781,437.28/7,556.15
  6. Step 6: Final answer
    x = 5,794.15

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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.