Home / 7,220.59-10,832.25-2,291.47

Finding the Fourth Proportional to 7,220.59, 10,832.25 and 2,291.47

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Solution

The fourth proportional to 7,220.59, 10,832.25 and 2,291.47 is: 3,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.59 : 10,832.25 = 2,291.47 : x
  2. Step 2: Convert to fraction form
    7,220.59/10,832.25 = 2,291.47/x
  3. Step 3: Cross multiply
    7,220.59x = 10,832.25 × 2,291.47
  4. Step 4: Simplify right side
    7,220.59x = 24,821,775.91
  5. Step 5: Solve for x
    x = 24,821,775.91/7,220.59
  6. Step 6: Final answer
    x = 3,437.64

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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.