Home / 5,101.47-7,645.73-2,176.83

Finding the Fourth Proportional to 5,101.47, 7,645.73 and 2,176.83

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Solution

The fourth proportional to 5,101.47, 7,645.73 and 2,176.83 is: 3,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.47 : 7,645.73 = 2,176.83 : x
  2. Step 2: Convert to fraction form
    5,101.47/7,645.73 = 2,176.83/x
  3. Step 3: Cross multiply
    5,101.47x = 7,645.73 × 2,176.83
  4. Step 4: Simplify right side
    5,101.47x = 16,643,443.55
  5. Step 5: Solve for x
    x = 16,643,443.55/5,101.47
  6. Step 6: Final answer
    x = 3,262.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.