Home / 5,619.80-7,752.56-3,632.06

Finding the Fourth Proportional to 5,619.80, 7,752.56 and 3,632.06

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Solution

The fourth proportional to 5,619.80, 7,752.56 and 3,632.06 is: 5,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.80 : 7,752.56 = 3,632.06 : x
  2. Step 2: Convert to fraction form
    5,619.80/7,752.56 = 3,632.06/x
  3. Step 3: Cross multiply
    5,619.80x = 7,752.56 × 3,632.06
  4. Step 4: Simplify right side
    5,619.80x = 28,157,763.07
  5. Step 5: Solve for x
    x = 28,157,763.07/5,619.80
  6. Step 6: Final answer
    x = 5,010.46

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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.