Home / 8,275.37-11,420.39-4,874.28

Finding the Fourth Proportional to 8,275.37, 11,420.39 and 4,874.28

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Solution

The fourth proportional to 8,275.37, 11,420.39 and 4,874.28 is: 6,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.37 : 11,420.39 = 4,874.28 : x
  2. Step 2: Convert to fraction form
    8,275.37/11,420.39 = 4,874.28/x
  3. Step 3: Cross multiply
    8,275.37x = 11,420.39 × 4,874.28
  4. Step 4: Simplify right side
    8,275.37x = 55,666,147.93
  5. Step 5: Solve for x
    x = 55,666,147.93/8,275.37
  6. Step 6: Final answer
    x = 6,726.73

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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.