Home / 5,619.77-7,750.89-3,603.37

Finding the Fourth Proportional to 5,619.77, 7,750.89 and 3,603.37

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Solution

The fourth proportional to 5,619.77, 7,750.89 and 3,603.37 is: 4,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.77 : 7,750.89 = 3,603.37 : x
  2. Step 2: Convert to fraction form
    5,619.77/7,750.89 = 3,603.37/x
  3. Step 3: Cross multiply
    5,619.77x = 7,750.89 × 3,603.37
  4. Step 4: Simplify right side
    5,619.77x = 27,929,324.50
  5. Step 5: Solve for x
    x = 27,929,324.50/5,619.77
  6. Step 6: Final answer
    x = 4,969.84

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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.