Home / 5,619.77-7,750.27-3,628.23

Finding the Fourth Proportional to 5,619.77, 7,750.27 and 3,628.23

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Solution

The fourth proportional to 5,619.77, 7,750.27 and 3,628.23 is: 5,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.77 : 7,750.27 = 3,628.23 : x
  2. Step 2: Convert to fraction form
    5,619.77/7,750.27 = 3,628.23/x
  3. Step 3: Cross multiply
    5,619.77x = 7,750.27 × 3,628.23
  4. Step 4: Simplify right side
    5,619.77x = 28,119,780.49
  5. Step 5: Solve for x
    x = 28,119,780.49/5,619.77
  6. Step 6: Final answer
    x = 5,003.73

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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.