Home / 6,615.01-9,921.58-2,231.89

Finding the Fourth Proportional to 6,615.01, 9,921.58 and 2,231.89

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Solution

The fourth proportional to 6,615.01, 9,921.58 and 2,231.89 is: 3,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.01 : 9,921.58 = 2,231.89 : x
  2. Step 2: Convert to fraction form
    6,615.01/9,921.58 = 2,231.89/x
  3. Step 3: Cross multiply
    6,615.01x = 9,921.58 × 2,231.89
  4. Step 4: Simplify right side
    6,615.01x = 22,143,875.19
  5. Step 5: Solve for x
    x = 22,143,875.19/6,615.01
  6. Step 6: Final answer
    x = 3,347.52

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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.