Home / 7,765.07-11,652.61-3,607.03

Finding the Fourth Proportional to 7,765.07, 11,652.61 and 3,607.03

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Solution

The fourth proportional to 7,765.07, 11,652.61 and 3,607.03 is: 5,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.07 : 11,652.61 = 3,607.03 : x
  2. Step 2: Convert to fraction form
    7,765.07/11,652.61 = 3,607.03/x
  3. Step 3: Cross multiply
    7,765.07x = 11,652.61 × 3,607.03
  4. Step 4: Simplify right side
    7,765.07x = 42,031,326.16
  5. Step 5: Solve for x
    x = 42,031,326.16/7,765.07
  6. Step 6: Final answer
    x = 5,412.87

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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.