Home / 7,764.19-11,646.89-2,570.06

Finding the Fourth Proportional to 7,764.19, 11,646.89 and 2,570.06

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Solution

The fourth proportional to 7,764.19, 11,646.89 and 2,570.06 is: 3,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.19 : 11,646.89 = 2,570.06 : x
  2. Step 2: Convert to fraction form
    7,764.19/11,646.89 = 2,570.06/x
  3. Step 3: Cross multiply
    7,764.19x = 11,646.89 × 2,570.06
  4. Step 4: Simplify right side
    7,764.19x = 29,933,232.02
  5. Step 5: Solve for x
    x = 29,933,232.02/7,764.19
  6. Step 6: Final answer
    x = 3,855.29

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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.