Home / 7,090.43-10,632.54-2,158.89

Finding the Fourth Proportional to 7,090.43, 10,632.54 and 2,158.89

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Solution

The fourth proportional to 7,090.43, 10,632.54 and 2,158.89 is: 3,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.43 : 10,632.54 = 2,158.89 : x
  2. Step 2: Convert to fraction form
    7,090.43/10,632.54 = 2,158.89/x
  3. Step 3: Cross multiply
    7,090.43x = 10,632.54 × 2,158.89
  4. Step 4: Simplify right side
    7,090.43x = 22,954,484.28
  5. Step 5: Solve for x
    x = 22,954,484.28/7,090.43
  6. Step 6: Final answer
    x = 3,237.39

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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.